APA-referens (7:e uppl.)

Kothari, C. R., & Garg, G. (2019). Research Methodology: Methods and Techniques (4th ed.). New Age International Publishers.

Chicago-referens (17:e uppl.)

Kothari, C. R., och Gaurav Garg. Research Methodology: Methods and Techniques. 4th ed. New Delhi: New Age International Publishers, 2019.

MLA-referens (9:e uppl.)

Kothari, C. R., och Gaurav Garg. Research Methodology: Methods and Techniques. 4th ed. New Age International Publishers, 2019.