APA
Khanna S. a. J., . (2011). Highway Engineering. : Newchand & Bros.
Chicago
Khanna S.K and Justo,C.E.G, . 2011. Highway Engineering. : Newchand & Bros.
Harvard
Khanna S. a. J., . (2011). Highway Engineering. : Newchand & Bros.
MLA
Khanna S.K and Justo,C.E.G, . Highway Engineering. : Newchand & Bros. 2011.