Uma Sekaran. (2007). Research methods for business: A skill building approach (4th ed.). John Wiley.
Styl ChicagoUma Sekaran. Research Methods for Business: A Skill Building Approach. 4th ed. London: John Wiley, 2007.
Citace podle MLAUma Sekaran. Research Methods for Business: A Skill Building Approach. 4th ed. John Wiley, 2007.
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