APA (7e ed.) Bronvermelding

COLLIS JILL. (2007). BUSINESS RESEARCH: A PRACTICAL GUIDE FOR UNDERGRADUATE AND POSTGRADUATE STUDENTS (2ND.). PALGRAVE MACMILLAN.

Chicago (17e ed.) Bronvermelding

COLLIS JILL. BUSINESS RESEARCH: A PRACTICAL GUIDE FOR UNDERGRADUATE AND POSTGRADUATE STUDENTS. 2ND. NEW YORK: PALGRAVE MACMILLAN, 2007.

MLA (9e ed.) Bronvermelding

COLLIS JILL. BUSINESS RESEARCH: A PRACTICAL GUIDE FOR UNDERGRADUATE AND POSTGRADUATE STUDENTS. 2ND. PALGRAVE MACMILLAN, 2007.