Dyfyniad APA

Leah Brew & Jeffrey A Kottler. (2008). Applied helping skills. Sage.

Dyfyniad Arddull Chicago

Leah Brew and Jeffrey A Kottler. Applied Helping Skills. New Delhi: Sage, 2008.

Dyfyniad MLA

Leah Brew and Jeffrey A Kottler. Applied Helping Skills. Sage, 2008.

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