APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, Spies, T. A., & Duncan, S. L. (2009). Old growth in a New World: A Pacific Northwest icon reexamined. Island Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, Thomas A. Spies, ба Sally L. Duncan. Old Growth in a New World: A Pacific Northwest Icon Reexamined. Washington, D.C.: Island Press, 2009.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, et al. Old Growth in a New World: A Pacific Northwest Icon Reexamined. Island Press, 2009.