APA-ийн эшлэл(7 дахь хэвлэлт)

Fearn, E. (2008). State of the wild, 2008-2009: A global portrait of wildlife, wildlands, and oceans. Island Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Fearn, Eva. State of the Wild, 2008-2009: A Global Portrait of Wildlife, Wildlands, and Oceans. Washington, DC: Island Press, 2008.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Fearn, Eva. State of the Wild, 2008-2009: A Global Portrait of Wildlife, Wildlands, and Oceans. Island Press, 2008.