^ Ó Sé, Diarmuid (2000) Gaeilge Chorca Dhuibhne (in Irish), Institiúid Teangeolaíochta Éireann [Linguistics Institute of Ireland], →ISBN, section 775, page 428
^ de Bhaldraithe, Tomás (1977) Gaeilge Chois Fhairrge: An Deilbhíocht (in Irish), 2nd edition, Institiúid Ard-Léinn Bhaile Átha Cliath [Dublin Institute for Advanced Studies], section 395, page 199
^ Lucas, Leslie W. (1979) Grammar of Ros Goill Irish Co. Donegal (Studies in Irish Language and Literature, Department of Celtic, Q.U.B.; vol. 5), Institute of Irish Studies, The Queen’s University of Belfast, page 225