Dyfyniad APA

Mez-Mangold, L. (1971). A history of drugs. Switzerland: F. Hoffmann/La Roche.

Dyfyniad Arddull Chicago

Mez-Mangold, Lydia. A History of Drugs. Switzerland: F. Hoffmann/La Roche, 1971.

Dyfyniad MLA

Mez-Mangold, Lydia. A History of Drugs. Switzerland: F. Hoffmann/La Roche, 1971.

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