Dyfyniad APA

(1999). Water distribution systems handbook. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Water Distribution Systems Handbook. New York: McGraw-Hill, 1999.

Dyfyniad MLA

Water Distribution Systems Handbook. New York: McGraw-Hill, 1999.

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