Heaney, S. (1990). Selected poems: 1966-1987. Noonday.
Lua i Stíl Chicago (17ú heag.)Heaney, Seamus. Selected Poems: 1966-1987. New York: Noonday, 1990.
Lua MLA (9ú heag.)Heaney, Seamus. Selected Poems: 1966-1987. Noonday, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.