APA citiranje

Simmonds, N. (1979). Principles of crop improvement. London: Longman.

Trích dẫn kiểu Chicago

Simmonds, N.W. Principles of Crop Improvement. London: Longman, 1979.

MLA citiranje

Simmonds, N.W. Principles of Crop Improvement. London: Longman, 1979.

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