Long, C. T. (1965). Elementary introduction to number theory. D. C. Heath and Company.
Citazione stile Chigago Style (17a edizione)Long, Calvin T. Elementary Introduction to Number Theory. Boston: D. C. Heath and Company, 1965.
Citatione MLA (9a ed.)Long, Calvin T. Elementary Introduction to Number Theory. D. C. Heath and Company, 1965.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.