Gaya APA

Vadose zone processes / John S. Selker, C. Kent Keller, James T. McCord. (1999). : Boca Raton, Fla. : Lewis Publishers.

Gaya MLA

Vadose zone processes / John S. Selker, C. Kent Keller, James T. McCord. . : Boca Raton, Fla. : Lewis Publishers, 1999. Text.