Não informado. (1971). FDA drug bulletin. Food and Drug Administration, Department. of Health, Education and Welfare.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. FDA Drug Bulletin. Rockville, Md: Food and Drug Administration, Department. of Health, Education and Welfare, 1971.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. FDA Drug Bulletin. Food and Drug Administration, Department. of Health, Education and Welfare, 1971.
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