SEKARAN UMA. (2006). RESEARCH METHODS FOR BUSINESS: A SKILL-BUILDING APPROACH (4TH.). WILEY INDIA.
Chicago-referens (17:e uppl.)SEKARAN UMA. RESEARCH METHODS FOR BUSINESS: A SKILL-BUILDING APPROACH. 4TH. NEW DELHI: WILEY INDIA, 2006.
MLA-referens (9:e uppl.)SEKARAN UMA. RESEARCH METHODS FOR BUSINESS: A SKILL-BUILDING APPROACH. 4TH. WILEY INDIA, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.