Cita APA
Pettofrezo, A. J., & Armstrong, L. H. (1989). Finite mathematics. Orange Publishers.
Citación estilo Chicago
Pettofrezo, Anthony J., and Lee H. Armstrong. Finite Mathematics. Florida: Orange Publishers, 1989.
Cita MLA
Pettofrezo, Anthony J., and Lee H. Armstrong. Finite Mathematics. Orange Publishers, 1989.
Warning: These citations may not always be 100% accurate.