Dyfyniad APA

FIELDS, R. (2021). Drugs in perspective: Causes, assessment, family, prevention, intervention, and treatment. McGraw Hill.

Dyfyniad Arddull Chicago

FIELDS, Richard. Drugs in Perspective: Causes, Assessment, Family, Prevention, Intervention, and Treatment. McGraw Hill, 2021.

Dyfyniad MLA

FIELDS, Richard. Drugs in Perspective: Causes, Assessment, Family, Prevention, Intervention, and Treatment. McGraw Hill, 2021.

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