APA-referens

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

Chicago-stil citat

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

MLA-referens

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.