Dyfyniad APA

(2007). British pharmacopoeia 2007. The Stationery Office.

Dyfyniad Arddull Chicago

British Pharmacopoeia 2007. London: The Stationery Office, 2007.

Dyfyniad MLA

British Pharmacopoeia 2007. The Stationery Office, 2007.

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