Gaya APA
Mathur, S.
(1997).
A text book of engineering drawing
(
Ed. 2)
.
New Delhi:
Vikas Publishing House PVT Ltd..
Gaya MLA
Mathur, S.B..
"A text book of engineering drawing".
Ed. 2
New Delhi:
Vikas Publishing House PVT Ltd.,
1997.
Text.