Dyfyniad APA

Griliches, Z. (1984). R & D, patents, and productivity. Chicago: The University of Chicago Press.

Dyfyniad Arddull Chicago

Griliches, Zvi. R & D, Patents, and Productivity. Chicago: The University of Chicago Press, 1984.

Dyfyniad MLA

Griliches, Zvi. R & D, Patents, and Productivity. Chicago: The University of Chicago Press, 1984.

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