APA
Gopalakrishna K.R, . (2003). Text Book of Engineering Graphics. Bangalore: Subhash Publications, Bangalore.
Chicago
Gopalakrishna K.R, . 2003. Text Book of Engineering Graphics. Bangalore: Subhash Publications, Bangalore.
Harvard
Gopalakrishna K.R, . (2003). Text Book of Engineering Graphics. Bangalore: Subhash Publications, Bangalore.
MLA
Gopalakrishna K.R, . Text Book of Engineering Graphics. Bangalore: Subhash Publications, Bangalore. 2003.