APA citiranje

Norman, D. W. (1994). Farming systems development and soil conservation. Rome: Food and Agriculture Organization of the United Nations.

Trích dẫn kiểu Chicago

Norman, D. W. Farming Systems Development and Soil Conservation. Rome: Food and Agriculture Organization of the United Nations, 1994.

MLA citiranje

Norman, D. W. Farming Systems Development and Soil Conservation. Rome: Food and Agriculture Organization of the United Nations, 1994.