Dyfyniad APA
Agrawal, B., & Agrawal, C. M. (2008). Engineering Drawing. Tata McGraw Hill.
Dyfyniad Arddull Chicago
Agrawal, Basant, and C M. Agrawal. Engineering Drawing. New Delhi: Tata McGraw Hill, 2008.
Dyfyniad MLA
Agrawal, Basant, and C M. Agrawal. Engineering Drawing. Tata McGraw Hill, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.