GILBREATH, R. D. (1987). Forward thinking: The pragmatist's guide to today'sbusiness trends. McGraw-Hill.
Cita Chicago (17th ed.)GILBREATH, Robert D. Forward Thinking: The Pragmatist's Guide to Today'sbusiness Trends. New York: McGraw-Hill, 1987.
Cita MLA (9th ed.)GILBREATH, Robert D. Forward Thinking: The Pragmatist's Guide to Today'sbusiness Trends. McGraw-Hill, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.