APA (7th ed.) Zitazioa
Cruz, N. (2007). Two sisters and a piano and other plays. Theatre Communications Group.
Chicago Style (17th ed.) Zitazioa
Cruz, Nilo. Two Sisters and a Piano and Other Plays. New York: Theatre Communications Group, 2007.
MLA (9th ed.) Zitazioa
Cruz, Nilo. Two Sisters and a Piano and Other Plays. Theatre Communications Group, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.