Cita APA (7th ed.)

Kumar, R. (2014). Research Methodology: A Step-by-Step Guide for Beginners (4th ed.). SAGE Publications.

Cita Chicago (17th ed.)

Kumar, Ranjit. Research Methodology: A Step-by-Step Guide for Beginners. 4th ed. London: SAGE Publications, 2014.

Cita MLA (9th ed.)

Kumar, Ranjit. Research Methodology: A Step-by-Step Guide for Beginners. 4th ed. SAGE Publications, 2014.