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..
Παραπομπή σε μορφή Chicago (17η εκδ.)Allen, Anna May, Bert Card, John L. Copeland, Raymond Charles Goodfellow, και Edward Jones Kilduff. Manual for Ediphone Voice Writing and Integrated Studies. [S.l.]: South-western Publishing Co., 1939.
Παραπομπή σε μορφή MLA (8th εκδ.)Allen, Anna May, et al. Manual for Ediphone Voice Writing and Integrated Studies. South-western Publishing Co., 1939.
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