APA-čujuhus (7. p.)
Duggal, A. K., & Puri, V. P. (2017). Laboratory manual in highway engineering (2nd ed.). New Age International.
Chicago-čujuhus (17. p.)
Duggal, Ajay K., juo Vijay P. Puri. Laboratory Manual in Highway Engineering. 2nd ed. Kolkata: New Age International, 2017.
MLA-čujuhus (9. p.)
Duggal, Ajay K., juo Vijay P. Puri. Laboratory Manual in Highway Engineering. 2nd ed. New Age International, 2017.
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