Fromm, E. (1987). To have or to be? Choun Moon Wha.
Cita Chicago (17th ed.)Fromm, Erich. To Have or to Be? [Seoul]: Choun Moon Wha, 1987.
Cita MLA (9th ed.)Fromm, Erich. To Have or to Be? Choun Moon Wha, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.