Cronbach, L. J., & Snow, R. E. (1977). Aptitudes and instructional methods: A handbook for research on interactions. New York: Irvington.
Cita Chicago (17th ed.)Cronbach, Lee J., i Richard E. Snow. Aptitudes and Instructional Methods: A Handbook for Research on Interactions. New York: Irvington, 1977.
Cita MLA (9th ed.)Cronbach, Lee J., i Richard E. Snow. Aptitudes and Instructional Methods: A Handbook for Research on Interactions. New York: Irvington, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.