APA aipamena

Yeats, W. (1990). The poems. London: David Campbell.

Chicago Style aipamena

Yeats, W.B. The Poems. London: David Campbell, 1990.

MLA aipamena

Yeats, W.B. The Poems. London: David Campbell, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.