Gaya APA
Khanna, S.K, Justo, C.E.G. (1980).
Highway engineering (fourth edition).
India:
New Chand & Bros Roorkee.
Gaya Chicago
Khanna, S.K, Justo, C.E.G.
Highway engineering.
fourth edition
India:
New Chand & Bros Roorkee,
1980.
Text.
Gaya MLA
Khanna, S.K, Justo, C.E.G.
Highway engineering.
fourth edition
India:
New Chand & Bros Roorkee,
1980.
Text.
Gaya Turabian
Khanna, S.K, Justo, C.E.G.
Highway engineering.
fourth edition
India:
New Chand & Bros Roorkee,
1980.
Print.