Cita APA (7th ed.)
(1967). Selected technical Publications. Food and Drug Administration. U.S.Dep.of Health,Education and Welfare.
Cita Chicago (17th ed.)
Selected Technical Publications. Food and Drug Administration. Washington: U.S.Dep.of Health,Education and Welfare, 1967.
Cita MLA (9th ed.)
Selected Technical Publications. Food and Drug Administration. U.S.Dep.of Health,Education and Welfare, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.