Não informado. (1978). Viewpoints in teaching and learning. Indiana University, School of Education.
Chicago-referens (17:e uppl.)Não informado. Viewpoints in Teaching and Learning. Bloomington, Ind: Indiana University, School of Education, 1978.
MLA-referens (8:e uppl.)Não informado. Viewpoints in Teaching and Learning. Indiana University, School of Education, 1978.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.