Cita APA

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

Chicago Edition Citation

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

Cita MLA

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