Dyfyniad APA

De Bell, G. (1970). The environmental handbook / edited by Garrett De Bell. Ballantine Books.

Dyfyniad Arddull Chicago

De Bell, Garrett. The Environmental Handbook / Edited by Garrett De Bell. New York: Ballantine Books, 1970.

Dyfyniad MLA

De Bell, Garrett. The Environmental Handbook / Edited by Garrett De Bell. Ballantine Books, 1970.

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