Williams, A. R. (2014). The Kaiser's captive: In the claws of the German Eagle. Pen & Sword Military.
Lua i Stíl Chicago (17ú heag.)Williams, Albert Rhys. The Kaiser's Captive: In the Claws of the German Eagle. South Yorkshire, [England] ; New York, [New York]: Pen & Sword Military, 2014.
Lua MLA (9ú heag.)Williams, Albert Rhys. The Kaiser's Captive: In the Claws of the German Eagle. Pen & Sword Military, 2014.
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