Burton, D. M. (1998). Elementary number theory (4th ed.). McGraw-Hill.
Cita Chicago (17th ed.)Burton, David M. Elementary Number Theory. 4th ed. New York: McGraw-Hill, 1998.
Cita MLA (9th ed.)Burton, David M. Elementary Number Theory. 4th ed. McGraw-Hill, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.