Aswathapa, K. (2011). Essential of business environment (11th rev.). Himalaya Publishing House, New Delhi.
Chicago-viite (17. p.)Aswathapa, K. Essential of Business Environment. 11th rev. Himalaya Publishing House, New Delhi, 2011.
MLA-viite (9. p.)Aswathapa, K. Essential of Business Environment. 11th rev. Himalaya Publishing House, New Delhi, 2011.
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