McGregor, W. B. (1997). Semiotic grammar. Clarendon Press.
芝加哥风格引文McGregor, William B. Semiotic Grammar. Oxford: Clarendon Press, 1997.
MLA引文McGregor, William B. Semiotic Grammar. Clarendon Press, 1997.
警告：这些引文格式不一定是100％准确.
APA引文