Dyfyniad APA

ebrary, Inc, Yufit, R. I., & Lester, D. (2005). Assessment, treatment, and prevention of suicidal behavior. John Wiley.

Dyfyniad Arddull Chicago

ebrary, Inc, Robert I. Yufit, and David Lester. Assessment, Treatment, and Prevention of Suicidal Behavior. Hoboken, N.J.: John Wiley, 2005.

Dyfyniad MLA

ebrary, Inc, et al. Assessment, Treatment, and Prevention of Suicidal Behavior. John Wiley, 2005.

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