Tohutoro APA (7th ed.)
Van Dyne, G. M. (1972). The Ecosystem Concept in natural resource management. Acad.Pr.
Tohutoru Kātū Chicago (17th ed.)
Van Dyne, George M. The Ecosystem Concept in Natural Resource Management. New York, London: Acad.Pr, 1972.
Tohutoro MLA (9th ed.)
Van Dyne, George M. The Ecosystem Concept in Natural Resource Management. Acad.Pr, 1972.
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