APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：這些引文格式不一定是100％准確.