Cita APA (7th ed.)
Baratto, S., & Bergman, B. (2008). Beginning algebra (7th ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Baratto, Stefan, i Barry Bergman. Beginning Algebra. 7th ed. Boston: McGraw-Hill, 2008.
Cita MLA (9th ed.)
Baratto, Stefan, i Barry Bergman. Beginning Algebra. 7th ed. McGraw-Hill, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.