Dyfyniad APA
Berger, G., & Enik, T. (1988). Making up your mind about drugs. Lodestar Books.
Dyfyniad Arddull Chicago
Berger, Gilda, and Ted Enik. Making Up Your Mind About Drugs. New York: Lodestar Books, 1988.
Dyfyniad MLA
Berger, Gilda, and Ted Enik. Making Up Your Mind About Drugs. Lodestar Books, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.