APA aipamena

Yin, R. K. (2009). Case study research: Design and methods fourth edition. Sage.

Chicago Style aipamena

Yin, Robert K. Case Study Research: Design and Methods Fourth Edition. Sage, 2009.

MLA aipamena

Yin, Robert K. Case Study Research: Design and Methods Fourth Edition. Sage, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.