APA aipamena

Gray David E. (2009). Doing Research in the Real World (2nd.). Sage Pub.

Chicago Style aipamena

Gray David E. Doing Research in the Real World. 2nd. London: Sage Pub, 2009.

MLA aipamena

Gray David E. Doing Research in the Real World. 2nd. Sage Pub, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.