ISBN 978-1-85383-791-3. （原始内容存档于2013-05-26）. Maison de la France. France Guide: Regional Natural Parks. French Government Tourist Office. 2008 [2011-10-27]

诺斯猪笼草

review of the Sabah species of Nepenthes, including a regional list and some selected localities. Unpublished mimeograph report to the Sabah Parks Trustees

伦敦

Dictionary of London Place Names, (2001) Green Park. The Royal Parks. 2008 [2008-04-26]. （原始内容存档于2010-02-01）. Greenwich Park. The Royal Parks. 2008 [2008-04-26]

保加利亚

природните паркове в България и техните администрации [The future of Bulgaria's natural parks and their administrations]. Gora Magazine. June 2010 [2011-12-20]

南极洲

（页面存档备份，存于互联网档案馆） Creatures of Antarctica. [2006-02-06]. （原始内容存档于2005-02-14）. （页面存档备份，存于互联网档案馆） Penguin InfoBook. seaworld parks & entertainment. [2016-10-30]

Found in articles

法国

ISBN 978-1-85383-791-3. （原始内容存档于2013-05-26）. Maison de la France. France Guide: Regional Natural Parks. French Government Tourist Office. 2008 [2011-10-27]

诺斯猪笼草

review of the Sabah species of Nepenthes, including a regional list and some selected localities. Unpublished mimeograph report to the Sabah Parks Trustees

伦敦

Dictionary of London Place Names, (2001) Green Park. The Royal Parks. 2008 [2008-04-26]. （原始内容存档于2010-02-01）. Greenwich Park. The Royal Parks. 2008 [2008-04-26]

保加利亚

南极洲