APA-viite (7. p.)

Kumar, R. (2011). Research Methodology (3rd ed.). Sage.

Chicago-viite (17. p.)

Kumar, Ranjit. Research Methodology. 3rd ed. New Delhi: Sage, 2011.

MLA-viite (9. p.)

Kumar, Ranjit. Research Methodology. 3rd ed. Sage, 2011.