APA
Gopalakrishna K. R., . (2001). Engineering Graphics. Bangalore: Suma Publications.
Chicago
Gopalakrishna K R, . 2001. Engineering Graphics. Bangalore: Suma Publications.
Harvard
Gopalakrishna K. R., . (2001). Engineering Graphics. Bangalore: Suma Publications.
MLA
Gopalakrishna K R, . Engineering Graphics. Bangalore: Suma Publications. 2001.