Não informado. (1984). American Hospital Formulary Service Drug Information. American Society of Hospital Pharmacists.
Citação do estilo Chicago (17ª ed.)Não informado. American Hospital Formulary Service Drug Information. Bethesda, Md: American Society of Hospital Pharmacists, 1984.
Citação MLA (8ª ed.)Não informado. American Hospital Formulary Service Drug Information. American Society of Hospital Pharmacists, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.