APA সাইটেশন

Kothari, C. R. (1993). Research methodology: Methods and Techniques (4 edition.). Wiley Eastern Limited.

শিকাগো স্টাইলে সাইটেশন

Kothari, C R. Research Methodology: Methods and Techniques. 4 edition. New Delhi: Wiley Eastern Limited, 1993.

এমএলএ সাইটেশন

Kothari, C R. Research Methodology: Methods and Techniques. 4 edition. Wiley Eastern Limited, 1993.