Purdie, B. (1972). Ireland unfree. London: IMG.
Cita Chicago (17th ed.)Purdie, Bob. Ireland Unfree. London: IMG, 1972.
Cita MLA (8th ed.)Purdie, Bob. Ireland Unfree. London: IMG, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)