Dyfyniad APA

ebrary, Inc, & Healey, J. (2012). Self-harm and young people. Spinney Press.

Dyfyniad Arddull Chicago

ebrary, Inc, and Justin Healey. Self-harm and Young People. Thirroul, N.S.W.: Spinney Press, 2012.

Dyfyniad MLA

ebrary, Inc, and Justin Healey. Self-harm and Young People. Spinney Press, 2012.

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