APA-viite (7. p.)

SEKARAN UMA. (2003). RESEARCH METHODS FOR BUSINESS: A SKILL BUILDING APPROACH (4.). JOHN WILEY AND SONS.

Chicago-viite (17. p.)

SEKARAN UMA. RESEARCH METHODS FOR BUSINESS: A SKILL BUILDING APPROACH. 4. NEW YORK: JOHN WILEY AND SONS, 2003.

MLA-viite (9. p.)

SEKARAN UMA. RESEARCH METHODS FOR BUSINESS: A SKILL BUILDING APPROACH. 4. JOHN WILEY AND SONS, 2003.