Dyfyniad APA

Clayton, N. (1997). Young living (Seventh edition.). Glencoe/McGraw-Hill.

Dyfyniad Arddull Chicago

Clayton, Nanalee. Young Living. Seventh edition. New York: Glencoe/McGraw-Hill, 1997.

Dyfyniad MLA

Clayton, Nanalee. Young Living. Seventh edition. Glencoe/McGraw-Hill, 1997.

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