Lua APA (7ú heag.)

Walstad, W. B., & Bingham, R. C. (1993). Study guide to accompany McConnell and Brue economics (12th ed.). McGraw - hill.

Lua i Stíl Chicago (17ú heag.)

Walstad, William B., agus Robert C. Bingham. Study Guide to Accompany McConnell and Brue Economics. 12th ed. New York: McGraw - hill, 1993.

Lua MLA (9ú heag.)

Walstad, William B., agus Robert C. Bingham. Study Guide to Accompany McConnell and Brue Economics. 12th ed. McGraw - hill, 1993.

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