APA استشهاد

Kothari, C. (2014). Reseasrsch methodology: Methods and techniques (3rd.ed.). New Age International.

استشهاد بنمط شيكاغو

Kothari, C.R. Reseasrsch Methodology: Methods and Techniques. 3rd.ed. New Delhi: New Age International, 2014.

MLA استشهاد

Kothari, C.R. Reseasrsch Methodology: Methods and Techniques. 3rd.ed. New Age International, 2014.