APA aipamena

O'casey, S. (1949). Collected plays. 4v.

Chicago Style aipamena

O'casey, Sean. Collected Plays. 4v. 1949.

MLA aipamena

O'casey, Sean. Collected Plays. 4v. 1949.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.