APA (7th ed.) Zitazioa

Barker, H. (2006). Howard Barke: Plays one. Oberon.

Chicago Style (17th ed.) Zitazioa

Barker, Howard. Howard Barke: Plays One. London: Oberon, 2006.

MLA (9th ed.) Zitazioa

Barker, Howard. Howard Barke: Plays One. Oberon, 2006.