Pidgeon, D. A. (1972). Evaluation of achievement. Macmillan [for the Anglo-American Primary Education Project].
Cita Chicago (17th ed.)Pidgeon, Douglas Alfred. Evaluation of Achievement. London: Macmillan [for the Anglo-American Primary Education Project], 1972.
Cita MLA (8th ed.)Pidgeon, Douglas Alfred. Evaluation of Achievement. Macmillan [for the Anglo-American Primary Education Project], 1972.
Atenció: Aquestes cites poden no estar 100% correctes.