Dyfyniad APA

Bates, M., & Johnson, C. D. (1982). Group leadership: A manual for group counseling (2nd ed.). Love Publishers.

Dyfyniad Arddull Chicago

Bates, Marilyn, and Clarence D. Johnson. Group Leadership: A Manual for Group Counseling. 2nd ed. London: Love Publishers, 1982.

Dyfyniad MLA

Bates, Marilyn, and Clarence D. Johnson. Group Leadership: A Manual for Group Counseling. 2nd ed. Love Publishers, 1982.

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