APA Citation

Walstad William B. (2008). Study Guide for Use with Economics, 18th Edition. NewYork: Mc Graw-Hill.

Trích dẫn kiểu Chicago

Walstad William B. Study Guide for Use With Economics, 18th Edition. NewYork: Mc Graw-Hill, 2008.

MLA Citation

Walstad William B. Study Guide for Use With Economics, 18th Edition. NewYork: Mc Graw-Hill, 2008.

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