Fromm, E. (1966). Marx's concept of man. Frederick Ungar.
Chicago-čujuhus (17. p.)Fromm, Erich. Marx's Concept of Man. New York: Frederick Ungar, 1966.
MLA-čujuhus (9. p.)Fromm, Erich. Marx's Concept of Man. Frederick Ungar, 1966.
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