Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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