Cita APA (7th ed.)
Goodman, A., & Patton, B. M. (1980). The mainstream of algebra and trigonometry (2nd ed.). Houghton Mifflin.
Cita Chicago (17th ed.)
Goodman, Arthur, i Bruce M. Patton. The Mainstream of Algebra and Trigonometry. 2nd ed. Boston: Houghton Mifflin, 1980.
Cita MLA (9th ed.)
Goodman, Arthur, i Bruce M. Patton. The Mainstream of Algebra and Trigonometry. 2nd ed. Houghton Mifflin, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.