Dyfyniad APA

Jorgenson, D. W., Fraumeni, B. M., & Gollop, F. M. (1987). Productivity and U.S. economic growth. Harvard University Press.

Dyfyniad Arddull Chicago

Jorgenson, Dale Weldeau, Barbara M. Fraumeni, and Frank M. Gollop. Productivity and U.S. Economic Growth. Cambridge, Mass: Harvard University Press, 1987.

Dyfyniad MLA

Jorgenson, Dale Weldeau, et al. Productivity and U.S. Economic Growth. Harvard University Press, 1987.

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