Παραπομπή APA

Jarrett, H. (1958). Perspectives on conservation: Essays on America's natural resources. Baltimore: Johns Hopkins University Press.

Παραπομπή Chicago Style

Jarrett, Henry. Perspectives On Conservation: Essays On America's Natural Resources. Baltimore: Johns Hopkins University Press, 1958.

Παραπομπή MLA

Jarrett, Henry. Perspectives On Conservation: Essays On America's Natural Resources. Baltimore: Johns Hopkins University Press, 1958.

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