Duggal, A. K., & Puri, P. V. (1991). Laboratory Manual in Highway Engineering. Wiley Eastern.
Chicago Style citaatDuggal, Ajay K., en P. Vijay Puri. Laboratory Manual in Highway Engineering. New Delhi: Wiley Eastern, 1991.
MLA citatieDuggal, Ajay K., en P. Vijay Puri. Laboratory Manual in Highway Engineering. Wiley Eastern, 1991.
Let op: Deze citaties zijn niet altijd 100% accuraat.