Cita APA (7th ed.)
Duggal, A. K., & Puri, V. P. (2017). Laboratory manual in highway engineering (2nd ed.). New Age International.
Cita Chicago (17th ed.)
Duggal, Ajay K., i Vijay P. Puri. Laboratory Manual in Highway Engineering. 2nd ed. Kolkata: New Age International, 2017.
Cita MLA (9th ed.)
Duggal, Ajay K., i Vijay P. Puri. Laboratory Manual in Highway Engineering. 2nd ed. New Age International, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.