Bowyer Bell, J. (1972). The secret army: A history of the IRA 1915-1970. London: Sphere books.
Lua i Stíl Chicago (17ú heag.)Bowyer Bell, J. The Secret Army: A History of the IRA 1915-1970. London: Sphere books, 1972.
Lua MLA (8ú heag.)Bowyer Bell, J. The Secret Army: A History of the IRA 1915-1970. London: Sphere books, 1972.
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