Kravetz, N. (1970). Planning for change in educational structure: Curriculum and methods. Unesco, International Institute for Educational Planning.
Chicago-Zitierstil (17. Ausg.)Kravetz, Nathan. Planning for Change in Educational Structure: Curriculum and Methods. Paris: Unesco, International Institute for Educational Planning, 1970.
MLA-Zitierstil (9. Ausg.)Kravetz, Nathan. Planning for Change in Educational Structure: Curriculum and Methods. Unesco, International Institute for Educational Planning, 1970.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.