MacBeth, G. (1979). Poetry 1900 to 1975: A revised and updated edition of "Poetry 1900-1965". Longman : Faber and Faber.
Lua i Stíl Chicago (17ú heag.)MacBeth, George. Poetry 1900 to 1975: A Revised and Updated Edition of "Poetry 1900-1965". London: Longman : Faber and Faber, 1979.
Lua MLA (9ú heag.)MacBeth, George. Poetry 1900 to 1975: A Revised and Updated Edition of "Poetry 1900-1965". Longman : Faber and Faber, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.