Lua APA (7ú heag.)
ebrary, Inc, & Nash, L. (2010). Herbert Hoover and world peace. University Press of America, Inc..
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Lee Nash. Herbert Hoover and World Peace. Lanham, MD: University Press of America, Inc., 2010.
Lua MLA (9ú heag.)
ebrary, Inc, agus Lee Nash. Herbert Hoover and World Peace. University Press of America, Inc., 2010.
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