APA aipamena

Burnham,Peter. (2008). Research methodology (2nd.). Palgrave Macmillan.

Chicago Style aipamena

Burnham,Peter. Research Methodology. 2nd. New Delhi: Palgrave Macmillan, 2008.

MLA aipamena

Burnham,Peter. Research Methodology. 2nd. Palgrave Macmillan, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.