APA-ийн эшлэл(7 дахь хэвлэлт)

Kothari, C., & Garg,Gaurav. (2019). Research methodology: Methods and techniques. New Age International Limited.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Kothari, C., ба Garg,Gaurav. Research Methodology: Methods and Techniques. London: New Age International Limited, 2019.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Kothari, C., ба Garg,Gaurav. Research Methodology: Methods and Techniques. New Age International Limited, 2019.