एपीए उद्धरण

Gill, P. S. (2004). A Textbook of machine drawing. S K Kataria & Sons.

शिकागो स्टाइल उद्धरण

Gill, P S. A Textbook of Machine Drawing. Delhi: S K Kataria & Sons, 2004.

एमएलए उद्धरण

Gill, P S. A Textbook of Machine Drawing. S K Kataria & Sons, 2004.