Fenwick, C. G. (1937). A Primer of Peace. Washington, D.C..
Lua i Stíl Chicago (17ú heag.)Fenwick, Charles G. A Primer of Peace. Washington, D.C., 1937.
Lua MLA (8ú heag.)Fenwick, Charles G. A Primer of Peace. Washington, D.C., 1937.
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