APA-referens

Kothari, C. R. (1990). Research methodology: Methods and techniques (2 edition.).

Chicago-stil citat

Kothari, C R. Research Methodology: Methods and Techniques. 2 edition. Wiley Eastern Ltd: New Delhi, 1990.

MLA-referens

Kothari, C R. Research Methodology: Methods and Techniques. 2 edition. 1990.