O'Neill, Paul. "The Notion of the Morphome." Morphological Autonomy: Perspectives From Romance Inflectional Morphology. : Oxford University Press, 2011-08-01. Oxford Scholarship Online. 2012-01-19. Date Accessed 24 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199589982.001.0001/acprof-9780199589982-chapter-5>.
O'Neill, P.(2011-08-01). The Notion of the Morphome. In Morphological Autonomy: Perspectives From Romance Inflectional Morphology. : Oxford University Press. Retrieved 24 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199589982.001.0001/acprof-9780199589982-chapter-5.
O'Neill, Paul. "The Notion of the Morphome." In Morphological Autonomy: Perspectives From Romance Inflectional Morphology. : Oxford University Press, 2011-08-01. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199589982.001.0001/acprof-9780199589982-chapter-5.
O'Neill P. The Notion of the Morphome. In: Maiden M, Smith JC, Goldbach M, Hinzelin M. Morphological Autonomy: Perspectives From Romance Inflectional Morphology. Oxford University Press; 2011. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199589982.001.0001/acprof-9780199589982-chapter-5. Accessed May 24, 2013.