Roberts, R. C. (2003). Emotions: An essay in aid of moral psychology. Cambridge, UK,New York: Cambridge University Press.
Dyfyniad Arddull ChicagoRoberts, Robert Campbell. Emotions: An Essay in Aid of Moral Psychology. Cambridge, UK,New York: Cambridge University Press, 2003.
Dyfyniad MLARoberts, Robert Campbell. Emotions: An Essay in Aid of Moral Psychology. Cambridge, UK,New York: Cambridge University Press, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.