APA সাইটেশন

Kothari, C. (2004). Research methodology: Methods and techniques. New Age Interantional.

শিকাগো স্টাইলে সাইটেশন

Kothari, C.R. Research Methodology: Methods and Techniques. New Delhi: New Age Interantional, 2004.

এমএলএ সাইটেশন

Kothari, C.R. Research Methodology: Methods and Techniques. New Age Interantional, 2004.