Dyfyniad APA
Annaiah, M., & Patil, R. (2011). Computer aided engineering drawing (4th ed.). New Age International.
Dyfyniad Arddull Chicago
Annaiah, M.H, and Rajashekar Patil. Computer Aided Engineering Drawing. 4th ed. Kolkata: New Age International, 2011.
Dyfyniad MLA
Annaiah, M.H, and Rajashekar Patil. Computer Aided Engineering Drawing. 4th ed. New Age International, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.