Walstad, W. B. (2010). Study guide for use with Brue, McConnell, and Fynn Essentials of economics. New York: McGraw-Hill.
Chicago-стиль цитированияWalstad, William B. Study Guide for Use With Brue, McConnell, and Fynn Essentials of Economics. New York: McGraw-Hill, 2010.
MLA-цитированиеWalstad, William B. Study Guide for Use With Brue, McConnell, and Fynn Essentials of Economics. New York: McGraw-Hill, 2010.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.