APA引文

Duggal, S. K. (2009). Surveying (3rd ed.). Tata McGraw-Hill.

芝加哥风格引文

Duggal, S. K. Surveying. 3rd ed. New Delhi: Tata McGraw-Hill, 2009.

MLA引文

Duggal, S. K. Surveying. 3rd ed. Tata McGraw-Hill, 2009.

警告：这些引文格式不一定是100％准确.