Cita APA (7a ed.)

Krueger, A. B. (2002). Economic considerations and class size. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Krueger, Alan B. Economic Considerations and Class Size. Cambridge, MA: National Bureau of Economic Research, 2002.

Cita MLA (9a ed.)

Krueger, Alan B. Economic Considerations and Class Size. National Bureau of Economic Research, 2002.