Leslie, L. A., Zoubek, C. E., & Strony, M. S. (1971). Transcription workbook for Gregg dictation (2d ed.). Gregg Division, McGraw-Hill.
Chicago Style (17. basım) AtıfLeslie, Louis A., Charles E. Zoubek, ve Madeline S. Strony. Transcription Workbook for Gregg Dictation. 2d ed. New York: Gregg Division, McGraw-Hill, 1971.
MLA (8th ed.) AtıfLeslie, Louis A., et al. Transcription Workbook for Gregg Dictation. 2d ed. Gregg Division, McGraw-Hill, 1971.
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