Deismireacht APA

Widdowson, R. W. (1987). Towards holistic agriculture: A scientific approach. New York: Pergamon Press.

Trích dẫn kiểu Chicago

Widdowson, R. W. Towards Holistic Agriculture: A Scientific Approach. New York: Pergamon Press, 1987.

Deismireacht MLA

Widdowson, R. W. Towards Holistic Agriculture: A Scientific Approach. New York: Pergamon Press, 1987.

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