APA aipamena

Wagner, R. (1934). Tristan and Isolda: Opera in three acts. G. Schirmer.

Chicago Style aipamena

Wagner, Richard. Tristan and Isolda: Opera in Three Acts. New York: G. Schirmer, 1934.

MLA aipamena

Wagner, Richard. Tristan and Isolda: Opera in Three Acts. G. Schirmer, 1934.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.