Não informado. (1976). Educational Research Quarterly. University of Southern California, School of Education.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Educational Research Quarterly. Los Angeles, Calif: University of Southern California, School of Education, 1976.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Educational Research Quarterly. University of Southern California, School of Education, 1976.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.