Cita APA (7th ed.)
United States of America, Department of Health Education and Welfare. (1963). Educational research: In Norway in the twentieth century.
Cita Chicago (17th ed.)
United States of America, Department of Health Education and Welfare. Educational Research: In Norway in the Twentieth Century. 1963.
Cita MLA (9th ed.)
United States of America, Department of Health Education and Welfare. Educational Research: In Norway in the Twentieth Century. 1963.
Atenció: Aquestes cites poden no estar 100% correctes.