Poole, B. (1994). Introductory algebra (2nd ed.). Prentice-Hall.
Cita Chicago (17th ed.)Poole, Barbara. Introductory Algebra. 2nd ed. Englewood Cliffs: Prentice-Hall, 1994.
Cita MLA (9th ed.)Poole, Barbara. Introductory Algebra. 2nd ed. Prentice-Hall, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.