Khanna. P.N. (1999). Indian practical civil engineer's handbook (17th ed.). Engineers' Publishers.
Chicago Style citaatKhanna. P.N. Indian Practical Civil Engineer's Handbook. 17th ed. New Delhi: Engineers' Publishers, 1999.
MLA citatieKhanna. P.N. Indian Practical Civil Engineer's Handbook. 17th ed. Engineers' Publishers, 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.