OSBORNE PETER. (1987). GRAPHICS IN TRAINING VOL-8. TRAINING TECHNOLOGY PROGRAME,PARTHENIN PUBLISHING.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOSBORNE PETER. GRAPHICS IN TRAINING VOL-8. ENGLAND: TRAINING TECHNOLOGY PROGRAME,PARTHENIN PUBLISHING, 1987.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOSBORNE PETER. GRAPHICS IN TRAINING VOL-8. TRAINING TECHNOLOGY PROGRAME,PARTHENIN PUBLISHING, 1987.
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