Margaret Mills Harper & Warwick Gould. Yeats's Mask: Yeats Annual No. 19. Open Book Publishers.
Chicago Style (17th ed.) ZitazioaMargaret Mills Harper eta Warwick Gould. Yeats's Mask: Yeats Annual No. 19. Open Book Publishers.
MLA (9th ed.) ZitazioaMargaret Mills Harper eta Warwick Gould. Yeats's Mask: Yeats Annual No. 19. Open Book Publishers.
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