Perry, P. J. An extraordinary commission: The story of a journey through Europe's disaster.
Chicago-referens (17:e uppl.)Perry, Peter J.C. An Extraordinary Commission: The Story of a Journey Through Europe's Disaster.
MLA-referens (8:e uppl.)Perry, Peter J.C. An Extraordinary Commission: The Story of a Journey Through Europe's Disaster.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.