Service, W. C. C. (1918). Keep 'em Smilin! The Origin of War Camp Community Service. S.I..
Chicago-стиль цитированияService, War Camp Community. Keep 'Em Smilin! The Origin of War Camp Community Service. S.I., 1918.
MLA-цитированиеService, War Camp Community. Keep 'Em Smilin! The Origin of War Camp Community Service. S.I., 1918.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.