Dyfyniad APA

Waughfield, C. G. (1998). Mental health concepts (4th ed.). Delmar.

Dyfyniad Arddull Chicago

Waughfield, Claire G. Mental Health Concepts. 4th ed. Albany: Delmar, 1998.

Dyfyniad MLA

Waughfield, Claire G. Mental Health Concepts. 4th ed. Delmar, 1998.

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