APA-referens

Rattan Lal. (1990). Soil erosion in the tropics: Principles and management. New York: McGraw-Hill.

Chicago-stil citat

Rattan Lal. Soil Erosion in the Tropics: Principles and Management. New York: McGraw-Hill, 1990.

MLA-referens

Rattan Lal. Soil Erosion in the Tropics: Principles and Management. New York: McGraw-Hill, 1990.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.