Não informado. (1987). WHO drug information. World Health Organization.
Lua i Stíl Chicago (17ú heag.)Não informado. WHO Drug Information. Geneva, Suíça: World Health Organization, 1987.
Lua MLA (8ú heag.)Não informado. WHO Drug Information. World Health Organization, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.