Dyfyniad APA

Martindale & Todd, R. (1967). The extra pharmacopoeia (25th ed.). The Pharmaceutical Press.

Dyfyniad Arddull Chicago

Martindale and R.G Todd. The Extra Pharmacopoeia. 25th ed. London: The Pharmaceutical Press, 1967.

Dyfyniad MLA

Martindale and R.G Todd. The Extra Pharmacopoeia. 25th ed. The Pharmaceutical Press, 1967.

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