Dyfyniad APA
Burton, D. M. (2007). Elementary number theory (6th ed.). Tata McGraw-Hill.
Dyfyniad Arddull Chicago
Burton, David M. Elementary Number Theory. 6th ed. New Delhi: Tata McGraw-Hill, 2007.
Dyfyniad MLA
Burton, David M. Elementary Number Theory. 6th ed. Tata McGraw-Hill, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.