SEKARAN, U. (2003). Research methods for business: A skill-building approach (4th ed.). John Wiley & Sons.
Citace podle Chicago (17th ed.)SEKARAN, Uma. Research Methods for Business: A Skill-building Approach. 4th ed. New York: John Wiley & Sons, 2003.
Citace podle MLA (9th ed.)SEKARAN, Uma. Research Methods for Business: A Skill-building Approach. 4th ed. John Wiley & Sons, 2003.
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