APA (7th ed.) Zitazioa

Heldt, G. (2013). Music and Levels of Narration in Film. Intellect.

Chicago Style (17th ed.) Zitazioa

Heldt, Guido. Music and Levels of Narration in Film. Bristol: Intellect, 2013.

MLA (9th ed.) Zitazioa

Heldt, Guido. Music and Levels of Narration in Film. Intellect, 2013.