Seaman, M. (1999). A fourth arm: Some aspects of the British experience of special forces and irregular warfare during and after the Second World War. Bulletin du Comité international d'histoire de la Deuxième Guerre mondiale.
Lua i Stíl Chicago (17ú heag.)Seaman, Mark. "A Fourth Arm: Some Aspects of the British Experience of Special Forces and Irregular Warfare During and After the Second World War." Bulletin Du Comité International D'histoire De La Deuxième Guerre Mondiale 1999.
Lua MLA (8ú heag.)Seaman, Mark. "A Fourth Arm: Some Aspects of the British Experience of Special Forces and Irregular Warfare During and After the Second World War." Bulletin Du Comité International D'histoire De La Deuxième Guerre Mondiale, 1999.
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