Cita APA (7th ed.)

Kothari, C. R. (2019). Research methodology: Methods and techniques (4th.). New Age International Publication.

Cita Chicago (17th ed.)

Kothari, C. R. Research Methodology: Methods and Techniques. 4th. Bangalore: New Age International Publication, 2019.

Cita MLA (9th ed.)

Kothari, C. R. Research Methodology: Methods and Techniques. 4th. New Age International Publication, 2019.