Caws, P. (1967). Science and the theory of value. Randon House.
Dyfyniad Arddull ChicagoCaws, Peter. Science and the Theory of Value. New York: Randon House, 1967.
Dyfyniad MLACaws, Peter. Science and the Theory of Value. Randon House, 1967.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.