Murphy, A. (1996). Seamus Heaney. Northcote House.
Cita Chicago Style (17a ed.)Murphy, Andrew. Seamus Heaney. Plymouth: Northcote House, 1996.
Cita MLA (9a ed.)Murphy, Andrew. Seamus Heaney. Northcote House, 1996.
Precaución: Estas citas no son 100% exactas.
