Lua APA (7ú heag.)
Smith, K. J. (1991). The nature of mathematics (6th ed.). Brooks/Cole Pub. Co..
Lua i Stíl Chicago (17ú heag.)
Smith, Karl J. The Nature of Mathematics. 6th ed. Pacific Grove, Calif.: Brooks/Cole Pub. Co., 1991.
Lua MLA (9ú heag.)
Smith, Karl J. The Nature of Mathematics. 6th ed. Brooks/Cole Pub. Co., 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.