Panneerselvam, R. (2004). Research methodology (Eastern economy edition.). Prentice Hall.
Chicago Style aipamenaPanneerselvam, R. Research Methodology. Eastern economy edition. New Delhi: Prentice Hall, 2004.
MLA aipamenaPanneerselvam, R. Research Methodology. Eastern economy edition. Prentice Hall, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.