APA aipamena

RAY MICHAEL. (1986). CREATIVITY IN BUSINESS. DOUBLEDAY.

Chicago Style aipamena

RAY MICHAEL. CREATIVITY IN BUSINESS. NEW YORK: DOUBLEDAY, 1986.

MLA aipamena

RAY MICHAEL. CREATIVITY IN BUSINESS. DOUBLEDAY, 1986.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.