APA
Kothari C. R. &. G. G., . (2016). Research methodology methods and techniques 3rd ed. New Age international: New Delhi.
Chicago
Kothari C R & Garg Gaurav, . 2016. Research methodology methods and techniques 3rd ed. New Age international: New Delhi.
Harvard
Kothari C. R. &. G. G., . (2016). Research methodology methods and techniques 3rd ed. New Age international: New Delhi.
MLA
Kothari C R & Garg Gaurav, . Research methodology methods and techniques 3rd ed. New Age international: New Delhi. 2016.