APA-viite

Zyl Van D. J. A & Vick, G. S. (1988). Hydraulic Fill Structures. American society of Civil Engineers.

Chicago-tyylinen lähdeviittaus

Zyl Van D. J. A ja G. Steven Vick. Hydraulic Fill Structures. New York: American society of Civil Engineers, 1988.

MLA-viite

Zyl Van D. J. A ja G. Steven Vick. Hydraulic Fill Structures. American society of Civil Engineers, 1988.