Cita APA (7th ed.)

KOTHARI C R. (2011). RESEARCH METHODOLOGY (2ND.). NEW AGE INTERNATIONAL PUBLISHERS.

Cita Chicago (17th ed.)

KOTHARI C R. RESEARCH METHODOLOGY. 2ND. NEW DELHI: NEW AGE INTERNATIONAL PUBLISHERS, 2011.

Cita MLA (9th ed.)

KOTHARI C R. RESEARCH METHODOLOGY. 2ND. NEW AGE INTERNATIONAL PUBLISHERS, 2011.