Cita APA (7a ed.)

Ball, L. M., & Moffitt, R. A. (2001). Productivity growth and the Phillips curve. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Ball, Laurence M., y Robert A. Moffitt. Productivity Growth and the Phillips Curve. Cambridge, MA: National Bureau of Economic Research, 2001.

Cita MLA (9a ed.)

Ball, Laurence M., y Robert A. Moffitt. Productivity Growth and the Phillips Curve. National Bureau of Economic Research, 2001.