Dyfyniad APA
ebrary, Inc, & Coombs, R. H. (2004). Handbook of addictive disorders: A practical guide to diagnosis and treatment. Wiley.
Dyfyniad Arddull Chicago
ebrary, Inc, and Robert H. Coombs. Handbook of Addictive Disorders: A Practical Guide to Diagnosis and Treatment. Hoboken, N.J.: Wiley, 2004.
Dyfyniad MLA
ebrary, Inc, and Robert H. Coombs. Handbook of Addictive Disorders: A Practical Guide to Diagnosis and Treatment. Wiley, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.