APA-viite

Kothari, C. R., & Gaurav Garg. (2019). Research methodology: Methods and techniques (4 multi colour.). New Age International (P) Ltd.

Chicago-tyylinen lähdeviittaus

Kothari, C R., ja Gaurav Garg. Research Methodology: Methods and Techniques. 4 multi colour. New Delhi: New Age International (P) Ltd, 2019.

MLA-viite

Kothari, C R., ja Gaurav Garg. Research Methodology: Methods and Techniques. 4 multi colour. New Age International (P) Ltd, 2019.