APA aipamena

Jewkes, J. (1960). The sources of invention. New York: St. Martin's Press.

Chicago Style aipamena

Jewkes, John. The Sources of Invention. New York: St. Martin's Press, 1960.

MLA aipamena

Jewkes, John. The Sources of Invention. New York: St. Martin's Press, 1960.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.