Gilbreath, R. D. (1987). Forward thinking: Pragmatist's guide to today's business trends.
Citación estilo ChicagoGilbreath, Robert D. Forward Thinking: Pragmatist's Guide to Today's Business Trends. Mc Graw Hill: New York, 1987.
Cita MLAGilbreath, Robert D. Forward Thinking: Pragmatist's Guide to Today's Business Trends. 1987.
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