Farnam, R. S. (1918). A nation at bay: What an American woman saw and did in suffering Serbia. Bobbs-Merrill.
Chicago-referens (17:e uppl.)Farnam, Ruth Stanley. A Nation at Bay: What an American Woman Saw and Did in Suffering Serbia. Indianapolis: Bobbs-Merrill, 1918.
MLA-referens (8:e uppl.)Farnam, Ruth Stanley. A Nation at Bay: What an American Woman Saw and Did in Suffering Serbia. Bobbs-Merrill, 1918.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.