एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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