Styl cytowania APA

Kothari,C R. (2011). Research Methodology: Methods and techniques (2.).

Styl cytowania Chicago

Kothari,C R. Research Methodology: Methods and Techniques. 2. New Age International Publishers (P) Ltd., New Delhi, 2011.

Styl cytowania MLA

Kothari,C R. Research Methodology: Methods and Techniques. 2. 2011.