Griffin, H. (1954). Elementary theory of numbers. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Griffin, Harriet. Elementary Theory of Numbers. Nueva York: McGraw-Hill, 1954.
Lua MLA (9ú heag.)Griffin, Harriet. Elementary Theory of Numbers. McGraw-Hill, 1954.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.