APA-referens (7:e uppl.)
Cavanagh, M. (2009). Professing poetry: Seamus Heaney's poetics. Catholic University of America Press.
Chicago-referens (17:e uppl.)
Cavanagh, Michael. Professing Poetry: Seamus Heaney's Poetics. Washington, D.C.: Catholic University of America Press, 2009.
MLA-referens (9:e uppl.)
Cavanagh, Michael. Professing Poetry: Seamus Heaney's Poetics. Catholic University of America Press, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.