Yeats, W. B., & Webb, T. (2000). Selected poems. Penguin.
Chicago Style aipamenaYeats, W. B., and Timothy Webb. Selected Poems. London: Penguin, 2000.
MLA aipamenaYeats, W. B., and Timothy Webb. Selected Poems. Penguin, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.