APA aipamena

Carvalho, R. d. (1949). As sombras e as vozes. [s.n.].

Chicago Style aipamena

Carvalho, Raúl de. As Sombras E as Vozes. [s.n.], 1949.

MLA aipamena

Carvalho, Raúl de. As Sombras E as Vozes. [s.n.], 1949.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.