Butler, N. M. (1942). Liberty-Equality-Faternity. Charles Scribner's Sons.
Chicago-čujuhus (17. p.)Butler, Nicholas Murray. Liberty-Equality-Faternity. New York: Charles Scribner's Sons, 1942.
MLA-čujuhus (9. p.)Butler, Nicholas Murray. Liberty-Equality-Faternity. Charles Scribner's Sons, 1942.
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