Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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