Não informado. (1978). Viewpoints in teaching and learning. Indiana University, School of Education.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Viewpoints in Teaching and Learning. Bloomington, Ind: Indiana University, School of Education, 1978.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Viewpoints in Teaching and Learning. Indiana University, School of Education, 1978.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.