Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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