Venkatappa Rao, G. Principles of transportation and highway engineering. Tata McGraw-Hill.
استشهاد بنمط شيكاغوVenkatappa Rao, G. Principles of Transportation and Highway Engineering. New Delhi: Tata McGraw-Hill.
MLA استشهادVenkatappa Rao, G. Principles of Transportation and Highway Engineering. Tata McGraw-Hill.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.