Agarwala, P. N. (1991). Countertrade, a global perspective. Vikas Pub. House.
芝加哥风格引文Agarwala, P. N. Countertrade, a Global Perspective. New Delhi: Vikas Pub. House, 1991.
MLA引文Agarwala, P. N. Countertrade, a Global Perspective. Vikas Pub. House, 1991.
警告：这些引文格式不一定是100％准确.