APA引文
Duggal, S. K. (2004). Surveying (2nd ed.). Tata McGraw-Hill.
芝加哥风格引文
Duggal, S. K. Surveying. 2nd ed. New Delhi: Tata McGraw-Hill, 2004.
MLA引文
Duggal, S. K. Surveying. 2nd ed. Tata McGraw-Hill, 2004.
警告：这些引文格式不一定是100％准确.