Fromm, H. (2009). The nature of being human: From environmentalism to consciousness. Johns Hopkins University Press.
Dyfyniad Arddull ChicagoFromm, Harold. The Nature of Being Human: From Environmentalism to Consciousness. Baltimore, Md.: Johns Hopkins University Press, 2009.
Dyfyniad MLAFromm, Harold. The Nature of Being Human: From Environmentalism to Consciousness. Johns Hopkins University Press, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.