Gopalan, R. (2011). English for Competitive examinations (2ed.). Vijay Nicole.
芝加哥风格引文Gopalan, R. English for Competitive Examinations. 2ed. Chennai: Vijay Nicole, 2011.
MLA引文Gopalan, R. English for Competitive Examinations. 2ed. Vijay Nicole, 2011.
警告：这些引文格式不一定是100％准确.