APA-viite

Kothari, C. R. (2007). Research methodology: Methods& trchniques (2 edition.).

Chicago-tyylinen lähdeviittaus

Kothari, C R. Research Methodology: Methods& Trchniques. 2 edition. New Age International(P) Limited: New Delhi, 2007.

MLA-viite

Kothari, C R. Research Methodology: Methods& Trchniques. 2 edition. 2007.