Dyfyniad APA

Americal Economic asso,. (1968). Survey of economic theory. Macmillan.

Dyfyniad Arddull Chicago

Americal Economic asso,. Survey of Economic Theory. London: Macmillan, 1968.

Dyfyniad MLA

Americal Economic asso,. Survey of Economic Theory. Macmillan, 1968.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.