Allen, A. M., Card, B., Copeland, J. L., Goodfellow, R. C., & Kilduff, E. J. (1939). Manual for Ediphone voice writing and integrated studies. South-western Publishing Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAllen, Anna May, Bert Card, John L. Copeland, Raymond Charles Goodfellow, और Edward Jones Kilduff. Manual for Ediphone Voice Writing and Integrated Studies. [S.l.]: South-western Publishing Co., 1939.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAllen, Anna May, et al. Manual for Ediphone Voice Writing and Integrated Studies. South-western Publishing Co., 1939.
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