C R Kothari. (1995). Research methodology (2nd ed.). Wishwa Prakashan.
Chicago Edition CitationC R Kothari. Research Methodology. 2nd ed. New Delhi: Wishwa Prakashan, 1995.
Cita MLAC R Kothari. Research Methodology. 2nd ed. Wishwa Prakashan, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.