APA citiranje

Morgan, R. P. C. (1995). Soil erosion and conservation. London: Longman.

Trích dẫn kiểu Chicago

Morgan, Royston Philip Charles. Soil Erosion and Conservation. London: Longman, 1995.

MLA citiranje

Morgan, Royston Philip Charles. Soil Erosion and Conservation. London: Longman, 1995.

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