Murphy, R., & Torrance, H. (1987). Evaluating education: Issues and methods. Chapman.
Cita Chicago (17th ed.)Murphy, Roger, i Harry Torrance. Evaluating Education: Issues and Methods. London: Chapman, 1987.
Cita MLA (9th ed.)Murphy, Roger, i Harry Torrance. Evaluating Education: Issues and Methods. Chapman, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.