Dyfyniad APA

Bach, G. L. (1957). Economics, an introduction to ananlysis and policy (2nd ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

Bach, George Leland. Economics, an Introduction to Ananlysis and Policy. 2nd ed. Englewood Cliffs, N.J: Prentice-Hall, 1957.

Dyfyniad MLA

Bach, George Leland. Economics, an Introduction to Ananlysis and Policy. 2nd ed. Prentice-Hall, 1957.

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