Cita APA (7th ed.)

Larson, R. E., & Hostetler, R. P. (1992). Elementary algebra. D.C. heath.

Cita Chicago (17th ed.)

Larson, Roland E., i Robert P. Hostetler. Elementary Algebra. Lexington: D.C. heath, 1992.

Cita MLA (9th ed.)

Larson, Roland E., i Robert P. Hostetler. Elementary Algebra. D.C. heath, 1992.