Sekaran, U. (2011). Research Methods for Business: A Skill Building Approach (5th.). Wiley India Pvt. Ltd.
Chicago-referens (17:e uppl.)Sekaran, Uma. Research Methods for Business: A Skill Building Approach. 5th. New Delhi: Wiley India Pvt. Ltd, 2011.
MLA-referens (9:e uppl.)Sekaran, Uma. Research Methods for Business: A Skill Building Approach. 5th. Wiley India Pvt. Ltd, 2011.
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