SEKARAN UMA. (2003). RESEARCH METHODS FOR BUSINESS: A SKILL BUILDING APPROACH (4.). JOHN WILEY AND SONS.
Citace podle Chicago (17th ed.)SEKARAN UMA. RESEARCH METHODS FOR BUSINESS: A SKILL BUILDING APPROACH. 4. NEW YORK: JOHN WILEY AND SONS, 2003.
Citace podle MLA (9th ed.)SEKARAN UMA. RESEARCH METHODS FOR BUSINESS: A SKILL BUILDING APPROACH. 4. JOHN WILEY AND SONS, 2003.
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