Gupta, P. (2010). Business communication. Vayu Education of India.
シカゴスタイル引用形Gupta, Puneet. Business Communication. New Delhi: Vayu Education of India, 2010.
MLA引用形式Gupta, Puneet. Business Communication. Vayu Education of India, 2010.
警告: この引用は必ずしも正確ではありません.