Dyfyniad APA
Ferguson, C., & Gould, J. (1975). Microeconomics theory (4th ed.). Richard Irwin.
Dyfyniad Arddull Chicago
Ferguson, C.E, and J.P Gould. Microeconomics Theory. 4th ed. Illinois: Richard Irwin, 1975.
Dyfyniad MLA
Ferguson, C.E, and J.P Gould. Microeconomics Theory. 4th ed. Richard Irwin, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.