APA aipamena

Ranjit Kumar. (2011). Research methodology (3rd ed.). SAGE.

Chicago Style aipamena

Ranjit Kumar. Research Methodology. 3rd ed. Los Angeles: SAGE, 2011.

MLA aipamena

Ranjit Kumar. Research Methodology. 3rd ed. SAGE, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.