Windholz, M. (1976). Merck index: : an encyclopedia of chemicals and drugs (9th ed.). Merck & co.
Dyfyniad Arddull ChicagoWindholz, Martha. Merck Index: : An Encyclopedia of Chemicals and Drugs. 9th ed. New Jersey: Merck & co, 1976.
Dyfyniad MLAWindholz, Martha. Merck Index: : An Encyclopedia of Chemicals and Drugs. 9th ed. Merck & co, 1976.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.