Dyfyniad APA

William B. Walstad. (2009). Study guide for use with McConnell, Brue, and Flynn Economics. Boston: McGraw-Hill Irwin.

Dyfyniad Arddull Chicago

William B. Walstad. Study Guide for Use With McConnell, Brue, and Flynn Economics. Boston: McGraw-Hill Irwin, 2009.

Dyfyniad MLA

William B. Walstad. Study Guide for Use With McConnell, Brue, and Flynn Economics. Boston: McGraw-Hill Irwin, 2009.

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