Cita APA (7th ed.)

Koop, G. (2005). Analysis of economic data (2nd ed.). John Wiley.

Cita Chicago (17th ed.)

Koop, Gary. Analysis of Economic Data. 2nd ed. Chichester: John Wiley, 2005.

Cita MLA (9th ed.)

Koop, Gary. Analysis of Economic Data. 2nd ed. John Wiley, 2005.

Atenció: Aquestes cites poden no estar 100% correctes.