Não informado. (1981). Monthly import detention list. Food and Drug Administration, Department of Health and Human Services.
Citação do estilo Chicago (17ª ed.)Não informado. Monthly Import Detention List. Washington: Food and Drug Administration, Department of Health and Human Services, 1981.
Citação MLA (8ª ed.)Não informado. Monthly Import Detention List. Food and Drug Administration, Department of Health and Human Services, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.