Dyfyniad APA

Poucher, W. A., & Howard, G. M. (1974). Perfumes, cosmetics and soaps. Chapman and Hall ; distributed in the U.S.A. by Halsted Press.

Dyfyniad Arddull Chicago

Poucher, W. A., and George M. Howard. Perfumes, Cosmetics and Soaps. London : New York: Chapman and Hall ; distributed in the U.S.A. by Halsted Press, 1974.

Dyfyniad MLA

Poucher, W. A., and George M. Howard. Perfumes, Cosmetics and Soaps. Chapman and Hall ; distributed in the U.S.A. by Halsted Press, 1974.

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