Uma Sekaran. (2002). Research methods for business: Skill building approach (4th ed.). John wiley.
Styl ChicagoUma Sekaran. Research Methods for Business: Skill Building Approach. 4th ed. London: John wiley, 2002.
Citace podle MLAUma Sekaran. Research Methods for Business: Skill Building Approach. 4th ed. John wiley, 2002.
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