EKINCI, Y. (2015). Designing research questionnaires: For business and management students. Sage Publications.
Chicago-referens (17:e uppl.)EKINCI, Yuksel. Designing Research Questionnaires: For Business and Management Students. Sage Publications, 2015.
MLA-referens (9:e uppl.)EKINCI, Yuksel. Designing Research Questionnaires: For Business and Management Students. Sage Publications, 2015.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.