Babu,Vithal V. (1991). Trade and Technology directory of India. Economy and Trade.
シカゴスタイル引用形Babu,Vithal V. Trade and Technology Directory of India. New Delhi: Economy and Trade, 1991.
MLA引用形式Babu,Vithal V. Trade and Technology Directory of India. Economy and Trade, 1991.
警告: この引用は必ずしも正確ではありません.