Sagarin, R., & Pauchard, A. (2012). Observation and ecology: Broadening the scope of science to understand a complex world. Island Press/Center for Resource Economics.
Chicago-referens (17:e uppl.)Sagarin, Rafe, och Aníbal Pauchard. Observation and Ecology: Broadening the Scope of Science to Understand a Complex World. Washington, DC: Island Press/Center for Resource Economics, 2012.
MLA-referens (8:e uppl.)Sagarin, Rafe, och Aníbal Pauchard. Observation and Ecology: Broadening the Scope of Science to Understand a Complex World. Island Press/Center for Resource Economics, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.