GIBBY, J. C. (1972). Technical illustration: Procedure and practice.-- Ed.3. American Technical Society.
Chicago-viite (17. p.)GIBBY, Joseph C. Technical Illustration: Procedure and Practice.-- Ed.3. Chicago: American Technical Society, 1972.
MLA-viite (9. p.)GIBBY, Joseph C. Technical Illustration: Procedure and Practice.-- Ed.3. American Technical Society, 1972.
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