Bergin, O. J. (1970). Bardic poetry: A lecture delivered before the National Literary Society, Dublin, April 15th, 1912. American Committee for Irish Studies.
Chicago Style (17. basım) AtıfBergin, Osborn Joseph. Bardic Poetry: A Lecture Delivered Before the National Literary Society, Dublin, April 15th, 1912. [s.l.]: American Committee for Irish Studies, 1970.
MLA (8th ed.) AtıfBergin, Osborn Joseph. Bardic Poetry: A Lecture Delivered Before the National Literary Society, Dublin, April 15th, 1912. American Committee for Irish Studies, 1970.
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