OSBORNE PETER. (1987). GRAPHICS IN TRAINING VOL-8. TRAINING TECHNOLOGY PROGRAME,PARTHENIN PUBLISHING.
Chicago-viite (17. p.)OSBORNE PETER. GRAPHICS IN TRAINING VOL-8. ENGLAND: TRAINING TECHNOLOGY PROGRAME,PARTHENIN PUBLISHING, 1987.
MLA-viite (9. p.)OSBORNE PETER. GRAPHICS IN TRAINING VOL-8. TRAINING TECHNOLOGY PROGRAME,PARTHENIN PUBLISHING, 1987.
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