Dyfyniad APA

Hill, C. E. (2004). Helping skills: Facilitating exploration, insight and action (2nd ed.). Taylor and Francis.

Dyfyniad Arddull Chicago

Hill, Clara E. Helping Skills: Facilitating Exploration, Insight and Action. 2nd ed. Washington: Taylor and Francis, 2004.

Dyfyniad MLA

Hill, Clara E. Helping Skills: Facilitating Exploration, Insight and Action. 2nd ed. Taylor and Francis, 2004.

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