Khanna, P. N. (1974). Indian practical civil engineer's handbook. Engineer's Publishers.
Chicago-стиль цитированияKhanna, P. N. Indian Practical Civil Engineer's Handbook. New Delhi: Engineer's Publishers, 1974.
MLA-цитированиеKhanna, P. N. Indian Practical Civil Engineer's Handbook. Engineer's Publishers, 1974.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.