Lua APA (7ú heag.)

Hall, W. A., & Dracup, J. A. (1970). Water resources systems engineering. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Hall, Warren A., agus John A. Dracup. Water Resources Systems Engineering. New York: McGraw-Hill, 1970.

Lua MLA (9ú heag.)

Hall, Warren A., agus John A. Dracup. Water Resources Systems Engineering. McGraw-Hill, 1970.

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