APA-ийн эшлэл(7 дахь хэвлэлт)

Kumar, R. (2005). Research Methodology: A Step by Step Guide for Beginners. Pearson India Education Services Pvt. Ltd.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Kumar, Ranjit. Research Methodology: A Step by Step Guide for Beginners. Noida: Pearson India Education Services Pvt. Ltd, 2005.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Kumar, Ranjit. Research Methodology: A Step by Step Guide for Beginners. Pearson India Education Services Pvt. Ltd, 2005.