Packard, R. G. (1974). Education and teaching: 21 performance-based units for an introduction to an education. Merrill.
Chicago-Zitierstil (17. Ausg.)Packard, Robert G. Education and Teaching: 21 Performance-based Units for an Introduction to an Education. Columbus, Ohio: Merrill, 1974.
MLA-Zitierstil (9. Ausg.)Packard, Robert G. Education and Teaching: 21 Performance-based Units for an Introduction to an Education. Merrill, 1974.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.