Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.