Kellison, S. G. (1991). The theory of interest (2nd ed.). McGraw-Hill.
Dyfyniad Arddull ChicagoKellison, Stephen G. The Theory of Interest. 2nd ed. Boston, MA: McGraw-Hill, 1991.
Dyfyniad MLAKellison, Stephen G. The Theory of Interest. 2nd ed. McGraw-Hill, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.