Cita APA (7th ed.)

Kothari R.C. (2004). Research Methodology (2nd ed.). New Age International.

Cita Chicago (17th ed.)

Kothari R.C. Research Methodology. 2nd ed. New Delhi: New Age International, 2004.

Cita MLA (9th ed.)

Kothari R.C. Research Methodology. 2nd ed. New Age International, 2004.