NANNEY, J., & CABLE, J. L. (1979). Trigonometry: A skills approach. Allyn and Bacon.
芝加哥风格引文NANNEY, J.Louis, 与 John L. CABLE. Trigonometry: A Skills Approach. Boston: Allyn and Bacon, 1979.
MLA引文NANNEY, J.Louis, 与 John L. CABLE. Trigonometry: A Skills Approach. Allyn and Bacon, 1979.
警告：这些引文格式不一定是100％准确.