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.