Townshend, C. (1999). Ireland: The 20th century. Arnold.
Cita Chicago Style (17a ed.)Townshend, Charles. Ireland: The 20th Century. London [etc.]: Arnold, 1999.
Cita MLA (9a ed.)Townshend, Charles. Ireland: The 20th Century. Arnold, 1999.
Precaución: Estas citas no son 100% exactas.