APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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