Kothari, C. R., & Garg, G. (2014). Methods and techniques: C. R. Kothari and Gaurav Garg (3rd.). New Age International.
Cita Chicago (17th ed.)Kothari, C. R., i Gaurav Garg. Methods and Techniques: C. R. Kothari and Gaurav Garg. 3rd. New Age International, 2014.
Cita MLA (9th ed.)Kothari, C. R., i Gaurav Garg. Methods and Techniques: C. R. Kothari and Gaurav Garg. 3rd. New Age International, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.