Lua APA (7ú heag.)
Pettofrezo, A. J., & Armstrong, L. H. (1989). Finite mathematics. Orange Publishers.
Lua i Stíl Chicago (17ú heag.)
Pettofrezo, Anthony J., agus Lee H. Armstrong. Finite Mathematics. Florida: Orange Publishers, 1989.
Lua MLA (9ú heag.)
Pettofrezo, Anthony J., agus Lee H. Armstrong. Finite Mathematics. Orange Publishers, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.