APA aipamena

Hulten, C. R. (1990). Productivity growth in Japan and the United States. Chicago: University of Chicago Press.

Chicago Style aipamena

Hulten, Charles R. Productivity Growth in Japan and the United States. Chicago: University of Chicago Press, 1990.

MLA aipamena

Hulten, Charles R. Productivity Growth in Japan and the United States. Chicago: University of Chicago Press, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.