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..
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAllen, Anna May, Bert Card, John L. Copeland, Raymond Charles Goodfellow, এবং Edward Jones Kilduff. Manual for Ediphone Voice Writing and Integrated Studies. [S.l.]: South-western Publishing Co., 1939.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিAllen, Anna May, et al. Manual for Ediphone Voice Writing and Integrated Studies. South-western Publishing Co., 1939.
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