APA引文

Kelkar, S. (2009). Information system: A concise study (1.). PHI.

芝加哥风格引文

Kelkar, S.A. Information System: A Concise Study. 1. New Delhi: PHI, 2009.

MLA引文

Kelkar, S.A. Information System: A Concise Study. 1. PHI, 2009.

警告：这些引文格式不一定是100％准确.