Não informado. (1968). Commercial import detentions. Food and Drug Administration, Department of Health and Human Services.
Citação do estilo Chicago (17ª ed.)Não informado. Commercial Import Detentions. Washington: Food and Drug Administration, Department of Health and Human Services, 1968.
Citação MLA (8ª ed.)Não informado. Commercial Import Detentions. Food and Drug Administration, Department of Health and Human Services, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.