Cita APA
Duggal, A. K., & Puri, V. P. (1991). Laboratory manual in highway engineering. New Age International.
Citación estilo Chicago
Duggal, Ajay K., and Vijay P. Puri. Laboratory Manual in Highway Engineering. Kolkata: New Age International, 1991.
Cita MLA
Duggal, Ajay K., and Vijay P. Puri. Laboratory Manual in Highway Engineering. New Age International, 1991.
Warning: These citations may not always be 100% accurate.