एपीए उद्धरण

Kothari, C. Research methodology: Methods and techniques/2e (2nd ed.). Wiley Eastern.

शिकागो स्टाइल उद्धरण

Kothari, C.R. Research Methodology: Methods and Techniques/2e. 2nd ed. Delhi: Wiley Eastern.

एमएलए उद्धरण

Kothari, C.R. Research Methodology: Methods and Techniques/2e. 2nd ed. Wiley Eastern.