Cita APA (7th ed.)

Kumar, R. (2019). Research methodology: A step-by-step guide for beginners (5th.). Sage.

Cita Chicago (17th ed.)

Kumar, Ranjit. Research Methodology: A Step-by-step Guide for Beginners. 5th. Los Angeles: Sage, 2019.

Cita MLA (9th ed.)

Kumar, Ranjit. Research Methodology: A Step-by-step Guide for Beginners. 5th. Sage, 2019.