Radford, A. Transformational syntax a student´s guide to Chomsky´s extended standard theory.
芝加哥风格引文Radford, Andrew. Transformational Syntax a Student´s Guide to Chomsky´s Extended Standard Theory.
MLA引文Radford, Andrew. Transformational Syntax a Student´s Guide to Chomsky´s Extended Standard Theory.
警告：这些引文格式不一定是100％准确.