CAMPBELL, R. (1938). English composition for foreign students. Longman.
Chicago Style (17th ed.) CitationCAMPBELL, R.R. English Composition for Foreign Students. London: Longman, 1938.
MLA引文CAMPBELL, R.R. English Composition for Foreign Students. Longman, 1938.
警告:這些引文格式不一定是100%准確.