APA استشهاد

Kothari, C. (2004). Research methodology/2e: Methods and techniques (2nd rev. ed.). New age international publishers.

استشهاد بنمط شيكاغو

Kothari, C.R. Research Methodology/2e: Methods and Techniques. 2nd rev. ed. Delhi: New age international publishers, 2004.

MLA استشهاد

Kothari, C.R. Research Methodology/2e: Methods and Techniques. 2nd rev. ed. New age international publishers, 2004.