Skinner, R. D. (1938). Debt system or property system? Paulist Press.
Dyfyniad Arddull ChicagoSkinner, Richard Dana. Debt System or Property System? New York, NY: Paulist Press, 1938.
Dyfyniad MLASkinner, Richard Dana. Debt System or Property System? Paulist Press, 1938.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.