APA (7th ed.) Zitazioa

Urdang international. (2020). Urdang international Summer Schools. Theurdang international.

Chicago Style (17th ed.) Zitazioa

Urdang international. Urdang International Summer Schools. London: Theurdang international, 2020.

MLA (9th ed.) Zitazioa

Urdang international. Urdang International Summer Schools. Theurdang international, 2020.