Cita APA (7th ed.)

NANNEY, J., & CABLE, J. L. (1979). Trigonometry: A skills approach. Allyn and Bacon.

Cita Chicago (17th ed.)

NANNEY, J.Louis, i John L. CABLE. Trigonometry: A Skills Approach. Boston: Allyn and Bacon, 1979.

Cita MLA (9th ed.)

NANNEY, J.Louis, i John L. CABLE. Trigonometry: A Skills Approach. Allyn and Bacon, 1979.