Fromm, E. (1964). The heart of man. Colophon Books.
Chicago-čujuhus (17. p.)Fromm, Erich. The Heart of Man. New York: Colophon Books, 1964.
MLA-čujuhus (9. p.)Fromm, Erich. The Heart of Man. Colophon Books, 1964.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.