Cita APA (7a ed.)

Hall, R. E., & Jones, C. I. (1998). Why do some countries produce so much more output per worker than others? National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Hall, Robert Ernest, y Charles Irving Jones. Why Do Some Countries Produce so Much More Output Per Worker than Others? Cambridge, MA: National Bureau of Economic Research, 1998.

Cita MLA (9a ed.)

Hall, Robert Ernest, y Charles Irving Jones. Why Do Some Countries Produce so Much More Output Per Worker than Others? National Bureau of Economic Research, 1998.