APA ציטוט

John Gerrard. (1987). Alluvial soils. New York: Van Nostrand Reinhold.

Trích dẫn kiểu Chicago

John Gerrard. Alluvial Soils. New York: Van Nostrand Reinhold, 1987.

ציטוט MLA

John Gerrard. Alluvial Soils. New York: Van Nostrand Reinhold, 1987.