APA način citiranja (7. izdanje)

GILBREATH, R. D. (1987). Forward thinking: The pragmatist's guide to today'sbusiness trends. McGraw-Hill.

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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