APA (7e ed.) Bronvermelding
Singh, G., & Singh, J. (1991). Highway engineering (rev. & enlarged ed.). Standard publishers distributors.
Chicago (17e ed.) Bronvermelding
Singh, Gurcharan, en Jagdish Singh. Highway Engineering. rev. & enlarged ed. Delhi: Standard publishers distributors, 1991.
MLA (9e ed.) Bronvermelding
Singh, Gurcharan, en Jagdish Singh. Highway Engineering. rev. & enlarged ed. Standard publishers distributors, 1991.
Let op: Deze citaties zijn niet altijd 100% accuraat.