O'Neill, M., & Callaghan, M. (2011). Twentieth-century British and Irish poetry: Hardy to Mahon. Wiley-Blackwell.
Cita Chicago (17th ed.)O'Neill, Michael, i Madeleine Callaghan. Twentieth-century British and Irish Poetry: Hardy to Mahon. Chichester, West Sussex, UK: Wiley-Blackwell, 2011.
Cita MLA (9th ed.)O'Neill, Michael, i Madeleine Callaghan. Twentieth-century British and Irish Poetry: Hardy to Mahon. Wiley-Blackwell, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.