APA (7e ed.) Bronvermelding

Kumar, R. (2019). Research methodology: A step-by-step guide for beginners (5th.). Sage.

Chicago (17e ed.) Bronvermelding

Kumar, Ranjit. Research Methodology: A Step-by-step Guide for Beginners. 5th. Los Angeles: Sage, 2019.

MLA (9e ed.) Bronvermelding

Kumar, Ranjit. Research Methodology: A Step-by-step Guide for Beginners. 5th. Sage, 2019.