Vainstein, R., & Magg, M. (1960). State standards for public libraries. U.S. Dept. of Health, Educucation and Welfare, Office of Education.
Cita Chicago (17th ed.)Vainstein, Rose, i Marian Magg. State Standards for Public Libraries. Washington: U.S. Dept. of Health, Educucation and Welfare, Office of Education, 1960.
Cita MLA (8th ed.)Vainstein, Rose, i Marian Magg. State Standards for Public Libraries. U.S. Dept. of Health, Educucation and Welfare, Office of Education, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.