Dyfyniad APA

Heilbroner, R. L. (1985). The making of economic history (7th ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

Heilbroner, Robert L. The Making of Economic History. 7th ed. Englewood Cliffs, N.J: Prentice-Hall, 1985.

Dyfyniad MLA

Heilbroner, Robert L. The Making of Economic History. 7th ed. Prentice-Hall, 1985.

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