SEKARAN UMA. (2003). RESEARCH METHODS FOR BUSINESS: A SKILL BUILDING APPROACH (4.). JOHN WILEY AND SONS.
Citazione stile Chigago Style (17a edizione)SEKARAN UMA. RESEARCH METHODS FOR BUSINESS: A SKILL BUILDING APPROACH. 4. NEW YORK: JOHN WILEY AND SONS, 2003.
Citatione MLA (9a ed.)SEKARAN UMA. RESEARCH METHODS FOR BUSINESS: A SKILL BUILDING APPROACH. 4. JOHN WILEY AND SONS, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.