Dyfyniad APA

Kusinitz, M. (1988). Drug use around the world. Chelsea House.

Dyfyniad Arddull Chicago

Kusinitz, Marc. Drug Use Around the World. New York: Chelsea House, 1988.

Dyfyniad MLA

Kusinitz, Marc. Drug Use Around the World. Chelsea House, 1988.

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