Dyfyniad APA

Gehm, H. W., & Bregman, J. (1976). Handbook of Water Resources and Pollution Control. Van Nostrand Reinhold Company.

Dyfyniad Arddull Chicago

Gehm, Harry. W., and Jacob.I Bregman. Handbook of Water Resources and Pollution Control. New York: Van Nostrand Reinhold Company, 1976.

Dyfyniad MLA

Gehm, Harry. W., and Jacob.I Bregman. Handbook of Water Resources and Pollution Control. Van Nostrand Reinhold Company, 1976.

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