Cohen, I. K. (2015). Economics for Business (1st.). Kogan page.
芝加哥风格引文Cohen, Ivan K. Economics for Business. 1st. Kogan page, 2015.
MLA引文Cohen, Ivan K. Economics for Business. 1st. Kogan page, 2015.
警告：这些引文格式不一定是100％准确.
APA引文