Bond, R. J., & William J. Keane. (1999). An introduction to abstract mathematics. Brooks/Cole.
Lua i Stíl Chicago (17ú heag.)Bond, Robert J., agus William J. Keane. An Introduction to Abstract Mathematics. Pacific Grove, California: Brooks/Cole, 1999.
Lua MLA (9ú heag.)Bond, Robert J., agus William J. Keane. An Introduction to Abstract Mathematics. Brooks/Cole, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.