APA引文

Chopra,P.N. (2002). Advanced economic theory. Kalyani publishers.

Chicago Edition Citation

Chopra,P.N. Advanced Economic Theory. Ludhiana: Kalyani publishers, 2002.

MLA引文

Chopra,P.N. Advanced Economic Theory. Kalyani publishers, 2002.

警告：這些引文格式不一定是100％准確.