William Butler Yeats. (1990). The poems. London: Everyman's Library.
Trích dẫn kiểu ChicagoWilliam Butler Yeats. The Poems. London: Everyman's Library, 1990.
MLA引文William Butler Yeats. The Poems. London: Everyman's Library, 1990.
警告：這些引文格式不一定是100％准確.