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.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.