SHARMA K R. (2002). RESEARCH METHODOLOGY. NATIONAL PUBLISHING HOUSE.
Cita Chicago (17th ed.)SHARMA K R. RESEARCH METHODOLOGY. JAIPUR: NATIONAL PUBLISHING HOUSE, 2002.
Cita MLA (9th ed.)SHARMA K R. RESEARCH METHODOLOGY. NATIONAL PUBLISHING HOUSE, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.