Lavelle, P. O. (1961). James O'Mara: A staunch Sinn-Feiner, 1873-1948. Clonmore & Reynolds.
Cita Chicago (17th ed.)Lavelle, Patricia O'Mara. James O'Mara: A Staunch Sinn-Feiner, 1873-1948. Dublin: Clonmore & Reynolds, 1961.
Cita MLA (8th ed.)Lavelle, Patricia O'Mara. James O'Mara: A Staunch Sinn-Feiner, 1873-1948. Clonmore & Reynolds, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.