SEKARAN UMA. (1992). RESEARCH METHODS FOR BUSINESS: A SKILL-BUILDING APPROACH (2ND.). JOHN WILEY AND SONS.
Chicago-Zitierstil (17. Ausg.)SEKARAN UMA. RESEARCH METHODS FOR BUSINESS: A SKILL-BUILDING APPROACH. 2ND. NEW YORK: JOHN WILEY AND SONS, 1992.
MLA-Zitierstil (9. Ausg.)SEKARAN UMA. RESEARCH METHODS FOR BUSINESS: A SKILL-BUILDING APPROACH. 2ND. JOHN WILEY AND SONS, 1992.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.