Dyfyniad APA

Salvato, J. A., & Nemerow, N. L. A. (2003). Environmental engineering. John Wiley & Sons.

Dyfyniad Arddull Chicago

Salvato, Joseph A., and Nelson L. Agardy Nemerow. Environmental Engineering. New Jersey: John Wiley & Sons, 2003.

Dyfyniad MLA

Salvato, Joseph A., and Nelson L. Agardy Nemerow. Environmental Engineering. John Wiley & Sons, 2003.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.