APA引文
Duggal, A. K., & Puri, V. P. (1991). Laboratory manual in highway engineering. New Age International.
Chicago Style (17th ed.) Citation
Duggal, Ajay K., and Vijay P. Puri. Laboratory Manual in Highway Engineering. Kolkata: New Age International, 1991.
MLA引文
Duggal, Ajay K., and Vijay P. Puri. Laboratory Manual in Highway Engineering. New Age International, 1991.
警告:這些引文格式不一定是100%准確.