Lua APA (7ú heag.)
Xerri, D. (2010). Seamus Heaney's early work: Poetic responsibility and the troubles. Maunsel & Co..
Lua i Stíl Chicago (17ú heag.)
Xerri, Daniel. Seamus Heaney's Early Work: Poetic Responsibility and the Troubles. Bethesda, MD: Maunsel & Co., 2010.
Lua MLA (9ú heag.)
Xerri, Daniel. Seamus Heaney's Early Work: Poetic Responsibility and the Troubles. Maunsel & Co., 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.