APA-viite (7. p.)

Kothari, C. G. (2020). Research Methodology (4th.). New Age International Publishers.

Chicago-viite (17. p.)

Kothari, C.R Garg. Research Methodology. 4th. New Delhi: New Age International Publishers, 2020.

MLA-viite (9. p.)

Kothari, C.R Garg. Research Methodology. 4th. New Age International Publishers, 2020.