Gaya APA

Dittrich, J, E. (1988). The General Manager and Strategy Formulation: objectives, missions, strategies, policies . New York: John Wiley & Sons, Inc.

Gaya MLA

Dittrich, John, E.. "The General Manager and Strategy Formulation: objectives, missions, strategies, policies". New York: John Wiley & Sons, Inc, 1988. Text.