APA aipamena

WALLIMAN NICHOL. (2012). YOUR RESEARCH PROJECT (3rd.). Sage.

Chicago Style aipamena

WALLIMAN NICHOL. YOUR RESEARCH PROJECT. 3rd. New Dehli: Sage, 2012.

MLA aipamena

WALLIMAN NICHOL. YOUR RESEARCH PROJECT. 3rd. Sage, 2012.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.