Cita APA (7a ed.)

Gilbreth, R. D. (1987). Forward thinking: The pragmatist's guide to Today's Business Trends. McGraw-Hill.

Cita Chicago Style (17a ed.)

Gilbreth, Robert D. Forward Thinking: The Pragmatist's Guide to Today's Business Trends. New York: McGraw-Hill, 1987.

Cita MLA (9a ed.)

Gilbreth, Robert D. Forward Thinking: The Pragmatist's Guide to Today's Business Trends. McGraw-Hill, 1987.