Chopra , B. (1998). Business environment in India. Symbiosis Institute of foreign trade.
芝加哥风格引文Chopra , B. Business Environment in India. Pune: Symbiosis Institute of foreign trade, 1998.
MLA引文Chopra , B. Business Environment in India. Symbiosis Institute of foreign trade, 1998.
警告：这些引文格式不一定是100％准确.