Nagell, T. (1951). Introduction to number theory. John Wiley.
Chicagoスタイル(17版)引用形式Nagell, Trygve. Introduction to Number Theory. Nueva York: John Wiley, 1951.
MLA(9版)引用形式Nagell, Trygve. Introduction to Number Theory. John Wiley, 1951.
警告: この引用は必ずしも正確ではありません.