Dyfyniad APA
ebrary, Inc, & Bennett, G. (1989). Treating drug abusers: New directions. Routledge.
Dyfyniad Arddull Chicago
ebrary, Inc, and Gerald Bennett. Treating Drug Abusers: New Directions. London ; New York: Routledge, 1989.
Dyfyniad MLA
ebrary, Inc, and Gerald Bennett. Treating Drug Abusers: New Directions. Routledge, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.