APA (7th ed.) Zitazioa
Walstad, W. B. (2005). Study guide for use with McConnell and Brue Microeconomics (16th ed.). McGraw-Hill.
Chicago Style (17th ed.) Zitazioa
Walstad, William B. Study Guide for Use with McConnell and Brue Microeconomics. 16th ed. New York: McGraw-Hill, 2005.
MLA (9th ed.) Zitazioa
Walstad, William B. Study Guide for Use with McConnell and Brue Microeconomics. 16th ed. McGraw-Hill, 2005.
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