Bowyer Bell, J. (1972). The secret army: A history of the IRA 1915-1970. London: Sphere books.
Cita Chicago (17th ed.)Bowyer Bell, J. The Secret Army: A History of the IRA 1915-1970. London: Sphere books, 1972.
Cita MLA (8th ed.)Bowyer Bell, J. The Secret Army: A History of the IRA 1915-1970. London: Sphere books, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.