Dyfyniad APA

Doweiko, H. E. (2009). Concepts of chemical dependency (Seventh edition.). Thomson Brooks/Cole.

Dyfyniad Arddull Chicago

Doweiko, Harold E. Concepts of Chemical Dependency. Seventh edition. Australia: Thomson Brooks/Cole, 2009.

Dyfyniad MLA

Doweiko, Harold E. Concepts of Chemical Dependency. Seventh edition. Thomson Brooks/Cole, 2009.

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