Não informado. (1971). FDA drug bulletin. Food and Drug Administration, Department. of Health, Education and Welfare.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. FDA Drug Bulletin. Rockville, Md: Food and Drug Administration, Department. of Health, Education and Welfare, 1971.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. FDA Drug Bulletin. Food and Drug Administration, Department. of Health, Education and Welfare, 1971.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.