Παραπομπή APA

Khanna, P. N. (1974). Indian practical civil engineer's handbook. Engineer's Publishers.

Παραπομπή Chicago Style

Khanna, P. N. Indian Practical Civil Engineer's Handbook. New Delhi: Engineer's Publishers, 1974.

Παραπομπή MLA

Khanna, P. N. Indian Practical Civil Engineer's Handbook. Engineer's Publishers, 1974.