Dyfyniad APA
Duggal, A. K., & Puri, V. P. (2017). Laboratory manual in highway engineering (2nd ed.). New Age International.
Dyfyniad Arddull Chicago
Duggal, Ajay K., and Vijay P. Puri. Laboratory Manual in Highway Engineering. 2nd ed. Kolkata: New Age International, 2017.
Dyfyniad MLA
Duggal, Ajay K., and Vijay P. Puri. Laboratory Manual in Highway Engineering. 2nd ed. New Age International, 2017.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.