Redigerer Gibraltars naturreservat (avsnitt)

== Litteratur ==
* Balter, Michael (22. september 2009): [https://web.archive.org/web/20121112040012/http://blogs.sciencemag.org/origins/2009/09/when-darwin-met-a-neandertal.html «When Darwin Met a Neandertal»] i: ''American Association for the Advancement of Science''.
* Bennett, Matthew R.; Doyle, Peter (1998): [http://books.google.com/books?id=DoUYEPemXF0C&pg=PA109 ''Issues in Environmental Geology: A British Perspective'']. Geological Society. ISBN 978-1-86239-014-0. Retrieved 17 October 2012.
* Bryant, Sue (Januar 2007): [http://books.google.com/books?id=1rcD_UA_NcMC&pg=PA65 ''Costa Del Sol'']. New Holland Publishers. ISBN 978-1-84537-636-9.
* Chilton, Glen (24. april 2012): [http://books.google.com/books?id=6jtSZnuICdYC&pg=PT171 ''The Attack of the Killer Rhododendrons: My Obsessive Quest to Seek Out Alien Species'']. HarperCollins. ISBN 978-1-4434-1147-9.
* [http://datazone.birdlife.org/site/factsheet/rock-of-gibraltar-iba-gibraltar-(to-uk) «GI001: Rock of Gibraltar»], ''Birdlife International''.
* Hogan, C. Michael (3. desember 2008): [https://web.archive.org/web/20120419033431/http://globaltwitcher.auderis.se/artspec_information.asp?thingid=31757&lang=us «Barbary Macaque: Macaca sylvanus»], GlobalTwitcher AB.
* Inkson, Clare; Minnaert, Lynn (4. april 2012): [http://books.google.com/books?id=Ygck_UNDNdMC&pg=PA264 ''Tourism Management: An Introduction'']. SAGE Publications. ISBN 978-1-84860-870-2.
* Perez, Charles; Bensusan, Keith (2005): [http://www.gonhs.org/documents/UpperRockGuide.pdf «A Guide to The Upper Rock Nature Reserve»] {{Wayback|url=http://www.gonhs.org/documents/UpperRockGuide.pdf |date=20130510234522 }} (PDF). The Gibraltar Ornithological and Natural History Society.
* Simonis, Damien (1. mars 2009): [http://books.google.com/books?id=B1pFbOvxN1wC&pg=PA766 ''Spain'']. Lonely Planet. ISBN 978-1-74179-000-9.
* [http://www.gibraltar.com/sightseeing/the-upper-rock-nature-reserve-gibraltar.html «Upper Rock Nature Reserve»], ''Gibraltar Travel Guide''.
* [https://www.gibraltar.gov.gi/new/sites/default/files/1/15/Upper_Rock_Nature_Reserve_Management_Action_Plan.pdf Upper Rock Nature Reserve; a management and action plan]; gibraltar.gov.gi