Khanna, P. N. (1997). Indian practical civil engineers’ handbook. New Delhi: Engineers’ Publishers & Advertisers.
Trích dẫn kiểu ChicagoKhanna, Prem Nath. Indian Practical Civil Engineers’ Handbook. New Delhi: Engineers’ Publishers & Advertisers, 1997.
Trích dẫn MLAKhanna, Prem Nath. Indian Practical Civil Engineers’ Handbook. New Delhi: Engineers’ Publishers & Advertisers, 1997.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.