Howe, F. C. (1916). Why war. C. Scribner's sons.
Lua i Stíl Chicago (17ú heag.)Howe, Frederic Clemson. Why War. New York: C. Scribner's sons, 1916.
Lua MLA (8ú heag.)Howe, Frederic Clemson. Why War. C. Scribner's sons, 1916.
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