Não informado. (1976). Communication Education. Spreech Communication Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Communication Education. Annandale, Va: Spreech Communication Association, 1976.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Communication Education. Spreech Communication Association, 1976.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.