Não informado. (1950). Education Today: Journal of the college of preceptors. College of Preceptores.
Chicago-Zitierstil (17. Ausg.)Não informado. Education Today: Journal of the College of Preceptors. London: College of Preceptores, 1950.
MLA-Zitierstil (8. Ausg.)Não informado. Education Today: Journal of the College of Preceptors. College of Preceptores, 1950.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.