APA aipamena

Sommers, M. (2005). Education free-for-all. University of Oxford.

Chicago Style aipamena

Sommers, Marc. Education Free-for-all. University of Oxford, 2005.

MLA aipamena

Sommers, Marc. Education Free-for-all. University of Oxford, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.