Walberg, H. J. (1974). Evaluating educational performance: A sourcebook of methods, instruments, and examples. McCutchan Publishing.
Chicago-Zitierstil (17. Ausg.)Walberg, Herbert J. Evaluating Educational Performance: A Sourcebook of Methods, Instruments, and Examples. Berkeley, CA: McCutchan Publishing, 1974.
MLA-Zitierstil (9. Ausg.)Walberg, Herbert J. Evaluating Educational Performance: A Sourcebook of Methods, Instruments, and Examples. McCutchan Publishing, 1974.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.