APA
K.R.Gopalkrishna, . (1994). Engineering Drawing. Bangalore: Subhash Publications, Bangalore.
Chicago
K.R.Gopalkrishna, . 1994. Engineering Drawing. Bangalore: Subhash Publications, Bangalore.
Harvard
K.R.Gopalkrishna, . (1994). Engineering Drawing. Bangalore: Subhash Publications, Bangalore.
MLA
K.R.Gopalkrishna, . Engineering Drawing. Bangalore: Subhash Publications, Bangalore. 1994.