Dyfyniad APA

Woodson, R. D. (2003). Water wells and septic systems handbook. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Woodson, R. Dodge. Water Wells and Septic Systems Handbook. New York: McGraw-Hill, 2003.

Dyfyniad MLA

Woodson, R. Dodge. Water Wells and Septic Systems Handbook. New York: McGraw-Hill, 2003.

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