Watson, J. L. (1988). Symmetrical English 1 ... c5. Macmillan.
芝加哥风格引文Watson, John L. Symmetrical English 1 ... C5. New York: Macmillan, 1988.
MLA引文Watson, John L. Symmetrical English 1 ... C5. Macmillan, 1988.
警告：这些引文格式不一定是100％准确.
APA引文