Dyfyniad APA

Ram , N. M., Christman , R. F., & Cantor , K. P. (1990). Significance and treatment of volatile organic compouns in water supplies. Lewis publishers.

Dyfyniad Arddull Chicago

Ram , Neil M., Russel F. Christman , and Kenneth P. Cantor. Significance and Treatment of Volatile Organic Compouns in Water Supplies. Michigan: Lewis publishers, 1990.

Dyfyniad MLA

Ram , Neil M., et al. Significance and Treatment of Volatile Organic Compouns in Water Supplies. Lewis publishers, 1990.

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