Dyfyniad APA

ebrary, Inc, Cherry, A. L., Dillon, M. E., & Rugh, D. (2002). Substance abuse: A global view. Greenwood Press.

Dyfyniad Arddull Chicago

ebrary, Inc, Andrew L. Cherry, Mary E. Dillon, and Douglas Rugh. Substance Abuse: A Global View. Westport, Conn.: Greenwood Press, 2002.

Dyfyniad MLA

ebrary, Inc, et al. Substance Abuse: A Global View. Greenwood Press, 2002.

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