APA引文

Wolf, B. (2003). Sustainable soils: The place of organic matter in sustaining soils and their productivity. New York: Food Products Press.

Trích dẫn kiểu Chicago

Wolf, Benjamin. Sustainable Soils: The Place of Organic Matter in Sustaining Soils and Their Productivity. New York: Food Products Press, 2003.

MLA引文

Wolf, Benjamin. Sustainable Soils: The Place of Organic Matter in Sustaining Soils and Their Productivity. New York: Food Products Press, 2003.