Sekaran, U. (2006). Research Methods for Business (8th ed.). Prentice-Hall of India Pvt. Ltd.
Chicago-viite (17. p.)Sekaran, Uma. Research Methods for Business. 8th ed. New Delhi: Prentice-Hall of India Pvt. Ltd, 2006.
MLA-viite (9. p.)Sekaran, Uma. Research Methods for Business. 8th ed. Prentice-Hall of India Pvt. Ltd, 2006.
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