COLLIS JILL. (2007). BUSINESS RESEARCH: A PRACTICAL GUIDE FOR UNDERGRADUATE AND POSTGRADUATE STUDENTS (2ND.). PALGRAVE MACMILLAN.
Chicago-referens (17:e uppl.)COLLIS JILL. BUSINESS RESEARCH: A PRACTICAL GUIDE FOR UNDERGRADUATE AND POSTGRADUATE STUDENTS. 2ND. NEW YORK: PALGRAVE MACMILLAN, 2007.
MLA-referens (9:e uppl.)COLLIS JILL. BUSINESS RESEARCH: A PRACTICAL GUIDE FOR UNDERGRADUATE AND POSTGRADUATE STUDENTS. 2ND. PALGRAVE MACMILLAN, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.