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-viite (17. p.)Sagarin, Rafe, ja 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-viite (8. p.)Sagarin, Rafe, ja Aníbal Pauchard. Observation and Ecology: Broadening the Scope of Science to Understand a Complex World. Island Press/Center for Resource Economics, 2012.
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