Dyfyniad APA

Miller, W. R. (2002). Motivational Interviewing (2nd.). The Guilford Press.

Dyfyniad Arddull Chicago

Miller, William R. Motivational Interviewing. 2nd. The Guilford Press, 2002.

Dyfyniad MLA

Miller, William R. Motivational Interviewing. 2nd. The Guilford Press, 2002.

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