Wren, P. (1971). High school English grammer and composition (82nd edn.). K & J Cooper publication.
芝加哥风格引文Wren, P.C. High School English Grammer and Composition. 82nd edn. Mumbai: K & J Cooper publication, 1971.
MLA引文Wren, P.C. High School English Grammer and Composition. 82nd edn. K & J Cooper publication, 1971.
警告：这些引文格式不一定是100％准确.