LEVEQUE, W. e. (1969). Studies in number theory. Mathematical Association of America.
Cita Chicago (17th ed.)LEVEQUE, W.J. ed. Studies in Number Theory. U.S. A.: Mathematical Association of America, 1969.
Cita MLA (9th ed.)LEVEQUE, W.J. ed. Studies in Number Theory. Mathematical Association of America, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.