Bormuth, J. R., & Menzel, P. (1970). On the theory of achievement test items. University of Chicago Press.
Cita Chicago (17th ed.)Bormuth, John R., i Peter Menzel. On the Theory of Achievement Test Items. Chicago: University of Chicago Press, 1970.
Cita MLA (8th ed.)Bormuth, John R., i Peter Menzel. On the Theory of Achievement Test Items. University of Chicago Press, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.