Wren, D. A., & Greenwood, R. G. (1998). Management innovators: The people and ideas that have shaped modern business. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Wren, Daniel A., agus Ronald G. Greenwood. Management Innovators: The People and Ideas That Have Shaped Modern Business. New York: Oxford University Press, 1998.
Lua MLA (9ú heag.)Wren, Daniel A., agus Ronald G. Greenwood. Management Innovators: The People and Ideas That Have Shaped Modern Business. Oxford University Press, 1998.
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