GUPTA, C. B. (2017). ISC BUSINESS STUDIES CLASS XI. GOYAL BROTHERS PRAKASHAN.
芝加哥风格引文GUPTA, C B. ISC BUSINESS STUDIES CLASS XI. NEW DELHI: GOYAL BROTHERS PRAKASHAN, 2017.
MLA引文GUPTA, C B. ISC BUSINESS STUDIES CLASS XI. GOYAL BROTHERS PRAKASHAN, 2017.
警告：这些引文格式不一定是100％准确.