Kothari,C.R. (2019). Research Methodology: Methods and Techniques (4th.). New Age International Publishers.
Cita Chicago (17th ed.)Kothari,C.R. Research Methodology: Methods and Techniques. 4th. New Age International Publishers, 2019.
Cita MLA (9th ed.)Kothari,C.R. Research Methodology: Methods and Techniques. 4th. New Age International Publishers, 2019.
Atenció: Aquestes cites poden no estar 100% correctes.