(1975). Poetry: Introduction. Faber & Faber.
Chicago Edition CitationPoetry: Introduction. London: Faber & Faber, 1975.
MLA Edition CitationPoetry: Introduction. Faber & Faber, 1975.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
(1975). Poetry: Introduction. Faber & Faber.
Chicago Edition CitationPoetry: Introduction. London: Faber & Faber, 1975.
MLA Edition CitationPoetry: Introduction. Faber & Faber, 1975.