APA (7th ed.) Citation
Gill, P. (2009). Engineering drawing: Geometrical drawing (11th ed.). S.K.Kataria & Sons.
Chicago Style (17th ed.) Citation
Gill, P.S. Engineering Drawing: Geometrical Drawing. 11th ed. New Delhi: S.K.Kataria & Sons, 2009.
MLA (9th ed.) Citation
Gill, P.S. Engineering Drawing: Geometrical Drawing. 11th ed. S.K.Kataria & Sons, 2009.
Warning: These citations may not always be 100% accurate.