ebrary, Inc, & Nash, L. (2010). Herbert Hoover and world peace. University Press of America, Inc..
Chicago Style (17th ed.) Citationebrary, Inc, and Lee Nash. Herbert Hoover and World Peace. Lanham, MD: University Press of America, Inc., 2010.
MLA引文ebrary, Inc, and Lee Nash. Herbert Hoover and World Peace. University Press of America, Inc., 2010.
警告:這些引文格式不一定是100%准確.