Dyfyniad APA
Fitzgerald, A. E., Kingsley, C., & Umans, S. D. (2003). Electric machinery (6th ed.). McGraw-Hill.
Dyfyniad Arddull Chicago
Fitzgerald, A. E., Charles Kingsley, and Stephen D. Umans. Electric Machinery. 6th ed. Boston, Mass. : New Delhi.: McGraw-Hill, 2003.
Dyfyniad MLA
Fitzgerald, A. E., et al. Electric Machinery. 6th ed. McGraw-Hill, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.