APA citiranje

Drummond, H. E. (2001). Agricultural economics. Upper Saddle River: Prentice Hall.

Trích dẫn kiểu Chicago

Drummond, H. Evan. Agricultural Economics. Upper Saddle River: Prentice Hall, 2001.

MLA citiranje

Drummond, H. Evan. Agricultural Economics. Upper Saddle River: Prentice Hall, 2001.

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