Quirk, R., & Widdowson, H. G. (1985). English in the world: Teaching and learning the language and literatures. Cambridge : Cambridge Univ Pr.
芝加哥风格引文Quirk, Randolph, 与 H. G. Widdowson. English in the World: Teaching and Learning the Language and Literatures. Cambridge : Cambridge Univ Pr, 1985.
MLA引文Quirk, Randolph, 与 H. G. Widdowson. English in the World: Teaching and Learning the Language and Literatures. Cambridge : Cambridge Univ Pr, 1985.
警告：这些引文格式不一定是100％准确.