APA引文

The industrial and business directory. (1986). The industrial and business directory Kerala. National publishers.

Chicago Edition Citation

The industrial and business directory. The Industrial and Business Directory Kerala. Kottayam: National publishers, 1986.

MLA引文

The industrial and business directory. The Industrial and Business Directory Kerala. National publishers, 1986.

警告：這些引文格式不一定是100％准確.