Não informado. (1967). Journal of Educational Thought. University of Calgary, Faculty of Education.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Journal of Educational Thought. Calgary, Canada: University of Calgary, Faculty of Education, 1967.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Journal of Educational Thought. University of Calgary, Faculty of Education, 1967.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.