Venkatappa Rao, G. Principles of transportation and highway engineering. Tata McGraw-Hill.
Chicago-стиль цитированияVenkatappa Rao, G. Principles of Transportation and Highway Engineering. New Delhi: Tata McGraw-Hill.
MLA-цитированиеVenkatappa Rao, G. Principles of Transportation and Highway Engineering. Tata McGraw-Hill.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.