APA (7e ed.) Bronvermelding

COOPER DONALD R. (2009). BUSINESS RESEARCH METHODS [WITH CD]. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Chicago (17e ed.) Bronvermelding

COOPER DONALD R. BUSINESS RESEARCH METHODS [WITH CD]. NEW DEHLI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2009.

MLA (9e ed.) Bronvermelding

COOPER DONALD R. BUSINESS RESEARCH METHODS [WITH CD]. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2009.