Venkatappa Rao, G. Principles of transportation and highway engineering. Tata McGraw-Hill.
シカゴスタイル引用形Venkatappa Rao, G. Principles of Transportation and Highway Engineering. New Delhi: Tata McGraw-Hill.
MLA引用形式Venkatappa Rao, G. Principles of Transportation and Highway Engineering. Tata McGraw-Hill.
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