APA-čujuhus (7. p.)
Duggal, A. K., & Puri, V. P. (1991). Laboratory manual in highway engineering. New Age International.
Chicago-čujuhus (17. p.)
Duggal, Ajay K., juo Vijay P. Puri. Laboratory Manual in Highway Engineering. Kolkata: New Age International, 1991.
MLA-čujuhus (9. p.)
Duggal, Ajay K., juo Vijay P. Puri. Laboratory Manual in Highway Engineering. New Age International, 1991.
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