Παραπομπή APA

Kothari, C. R. (2004). Research methodology: Methods and techniques (2(revised).). New Age International.

Παραπομπή Chicago Style

Kothari, C. R. Research Methodology: Methods and Techniques. 2(revised). New Delhi: New Age International, 2004.

Παραπομπή MLA

Kothari, C. R. Research Methodology: Methods and Techniques. 2(revised). New Age International, 2004.