Callan, A., & Annette Callan. (1995). Skin Wise: A Guide to Healthy Skin for Women. New York: Oxford University Press.
Dyfyniad Arddull ChicagoCallan, Annette, và Annette Callan. Skin Wise: A Guide to Healthy Skin for Women. New York: Oxford University Press, 1995.
Dyfyniad MLACallan, Annette, và Annette Callan. Skin Wise: A Guide to Healthy Skin for Women. New York: Oxford University Press, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.