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.