Thomas, R. M. (1990). Encyclopedia of Human Development and Education: Theory Research and Studies. Pergamon Press.
Chicago ZitierstilThomas, R Murray. Encyclopedia of Human Development and Education: Theory Research and Studies. Oxford: Pergamon Press, 1990.
MLA ZitierstilThomas, R Murray. Encyclopedia of Human Development and Education: Theory Research and Studies. Pergamon Press, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.