Cita APA (7a ed.)

Nordhaus, W. D. (2001). Alternative methods for measuring productivity growth. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Nordhaus, William D. Alternative Methods for Measuring Productivity Growth. Cambridge, MA: National Bureau of Economic Research, 2001.

Cita MLA (9a ed.)

Nordhaus, William D. Alternative Methods for Measuring Productivity Growth. National Bureau of Economic Research, 2001.