Cita APA (7a ed.)

Nordhaus, W. D. (2001). Productivity growth and the new economy. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Nordhaus, William D. Productivity Growth and the New Economy. Cambridge, MA: National Bureau of Economic Research, 2001.

Cita MLA (9a ed.)

Nordhaus, William D. Productivity Growth and the New Economy. National Bureau of Economic Research, 2001.