Não informado. (1971). FDA drug bulletin. Food and Drug Administration, Department. of Health, Education and Welfare.
Citação do estilo Chicago (17ª ed.)Não informado. FDA Drug Bulletin. Rockville, Md: Food and Drug Administration, Department. of Health, Education and Welfare, 1971.
Citação MLA (8ª ed.)Não informado. FDA Drug Bulletin. Food and Drug Administration, Department. of Health, Education and Welfare, 1971.
警告：这些引文格式不一定是100％准确.