APA
Upadhyay A., . (2012). Soil & Foundation Engineering. : Katson.
Chicago
Upadhyay A.K, . 2012. Soil & Foundation Engineering. : Katson.
Harvard
Upadhyay A., . (2012). Soil & Foundation Engineering. : Katson.
MLA
Upadhyay A.K, . Soil & Foundation Engineering. : Katson. 2012.