Venugopal, K. &. R. (2015). A Textbook of Engineering Graphics (01st.). New Age International.
Chicago Style (17. basım) AtıfVenugopal, K. & Raja. A Textbook of Engineering Graphics. 01st. New Delhi: New Age International, 2015.
MLA (9th ed.) AtıfVenugopal, K. & Raja. A Textbook of Engineering Graphics. 01st. New Age International, 2015.
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