O'Brien. Seamus Heaney as Aesthetic Thinker. Syracuse University Press.
Cita Chicago (17th ed.)O'Brien. Seamus Heaney as Aesthetic Thinker. Syracuse University Press.
Cita MLA (9th ed.)O'Brien. Seamus Heaney as Aesthetic Thinker. Syracuse University Press.
Atenció: Aquestes cites poden no estar 100% correctes.