APA aipamena

Ray, M. (1986). Creativity in business. New York: Doubleday.

Chicago Style aipamena

Ray, Michael. Creativity in Business. New York: Doubleday, 1986.

MLA aipamena

Ray, Michael. Creativity in Business. New York: Doubleday, 1986.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.