Não informado. (1978). Viewpoints in teaching and learning. Indiana University, School of Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Viewpoints in Teaching and Learning. Bloomington, Ind: Indiana University, School of Education, 1978.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Viewpoints in Teaching and Learning. Indiana University, School of Education, 1978.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.