Gaya APA

Wren, D, A., Greenwood, R, G. (1998). Management Innovators : The People And Ideas That Have Shaped Modern Business . New York: Oxford University Press Inc..

Gaya MLA

Wren, Daniel, A.., Greenwood, Ronald, G.. "Management Innovators : The People And Ideas That Have Shaped Modern Business". New York: Oxford University Press Inc., 1998. Printed.