APA-viite (7. p.)

SEKARAN UMA & BOUGIE ROGER. (2016). RESEARCH METHODS FOR BUSINESS (6TH ED.). WILEY.

Chicago-viite (17. p.)

SEKARAN UMA ja BOUGIE ROGER. RESEARCH METHODS FOR BUSINESS. 6TH ED. DELHI: WILEY, 2016.

MLA-viite (9. p.)

SEKARAN UMA ja BOUGIE ROGER. RESEARCH METHODS FOR BUSINESS. 6TH ED. WILEY, 2016.