APA引文
Nagpal, G. (1999). Machine tool engineering (8th ed.). Khanna.
芝加哥风格引文
Nagpal, G.R. Machine Tool Engineering. 8th ed. New Delhi: Khanna, 1999.
MLA引文
Nagpal, G.R. Machine Tool Engineering. 8th ed. Khanna, 1999.
警告:这些引文格式不一定是100%准确.