APA aipamena

Reich, R. B. (1983). The next American frontier. New York: Times Books.

Chicago Style aipamena

Reich, Robert B. The Next American Frontier. New York: Times Books, 1983.

MLA aipamena

Reich, Robert B. The Next American Frontier. New York: Times Books, 1983.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.