Khanna. P.N. (1999). Indian practical civil engineer's handbook (17th ed.). Engineers' Publishers.
Chicago ZitierstilKhanna. P.N. Indian Practical Civil Engineer's Handbook. 17th ed. New Delhi: Engineers' Publishers, 1999.
MLA ZitierstilKhanna. P.N. Indian Practical Civil Engineer's Handbook. 17th ed. Engineers' Publishers, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.