Krass, P. (1997). Book of business wisdom: Classic writings by the legends of commerce and industry. John wiley and sons.
শিকাগো স্টাইলে সাইটেশনKrass, Peter. Book of Business Wisdom: Classic Writings by the Legends of Commerce and Industry. New York: John wiley and sons, 1997.
এমএলএ সাইটেশনKrass, Peter. Book of Business Wisdom: Classic Writings by the Legends of Commerce and Industry. John wiley and sons, 1997.
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