Não informado. (1973). American Druggist Merchandising. Hearst Corporation.
Lua i Stíl Chicago (17ú heag.)Não informado. American Druggist Merchandising. New York: Hearst Corporation, 1973.
Lua MLA (8ú heag.)Não informado. American Druggist Merchandising. Hearst Corporation, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.