Dyfyniad APA

BACH, G. L. (1968). Economics an introduction to analysis and policy (6th ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

BACH, George Leland. Economics an Introduction to Analysis and Policy. 6th ed. Englewood Cliffs: Prentice-Hall, 1968.

Dyfyniad MLA

BACH, George Leland. Economics an Introduction to Analysis and Policy. 6th ed. Prentice-Hall, 1968.

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