Ivan, N. et al.(1991).An Introduction to the theory of numbers / Ivan Niven, Herbert S. Zuckerman, Hugh L. Montgomery (Ed.ke-5).New York:John Wiley n Sons.
Gaya MLA
Niven, Ivan. et al."An Introduction to the theory of numbers / Ivan Niven, Herbert S. Zuckerman, Hugh L. Montgomery".Ed.ke-5New York:John Wiley n Sons,1991.Textbook.