Kumer,Ranjit. (2014). Research Methodology: A Step-by-Step Guide for Beginners (4th edition.). Sage.
Citazione stile Chigago Style (17a edizione)Kumer,Ranjit. Research Methodology: A Step-by-Step Guide for Beginners. 4th edition. London: Sage, 2014.
Citatione MLA (9a ed.)Kumer,Ranjit. Research Methodology: A Step-by-Step Guide for Beginners. 4th edition. Sage, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.