Dyfyniad APA

Collins, S. (1990). Alcohol, Social Work and Helping. Routeldge Publisher.

Dyfyniad Arddull Chicago

Collins, Stewart. Alcohol, Social Work and Helping. London: Routeldge Publisher, 1990.

Dyfyniad MLA

Collins, Stewart. Alcohol, Social Work and Helping. Routeldge Publisher, 1990.

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