Crump, T. (1981). The phenomenon of money. Routledge & Kegan Paul.
Cita Chicago Style (17a ed.)Crump, Thomas. The Phenomenon of Money. Londres ; Boston: Routledge & Kegan Paul, 1981.
Cita MLA (9a ed.)Crump, Thomas. The Phenomenon of Money. Routledge & Kegan Paul, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.