APA استشهاد

Khanna. P.N. (1999). Indian practical civil engineer's handbook (17th ed.). Engineers' Publishers.

استشهاد بنمط شيكاغو

Khanna. P.N. Indian Practical Civil Engineer's Handbook. 17th ed. New Delhi: Engineers' Publishers, 1999.

MLA استشهاد

Khanna. P.N. Indian Practical Civil Engineer's Handbook. 17th ed. Engineers' Publishers, 1999.