Dyfyniad APA

(1987). Economics: Analysis, decision making, and policy. Englewood Cliffs: Prentice-Hall.

Dyfyniad Arddull Chicago

Economics: Analysis, Decision Making, and Policy. Englewood Cliffs: Prentice-Hall, 1987.

Dyfyniad MLA

Economics: Analysis, Decision Making, and Policy. Englewood Cliffs: Prentice-Hall, 1987.

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