Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

RAY MICHAEL. CREATIVITY IN BUSINESS. DOUBLEDAY, 1986.

Atenció: Aquestes cites poden no estar 100% correctes.