Lua APA (7ú heag.)

Hornby, W. (2001). Business econmics (2nd ed.). Pearson Education.

Lua i Stíl Chicago (17ú heag.)

Hornby, Win. Business Econmics. 2nd ed. Harlow,England: Pearson Education, 2001.

Lua MLA (9ú heag.)

Hornby, Win. Business Econmics. 2nd ed. Pearson Education, 2001.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.