एपीए उद्धरण

Dittrich, J. E. (1988). General manager and strategy formulation: Objectives, missions, strategies and policies. John Wiley.

शिकागो स्टाइल उद्धरण

Dittrich, John E. General Manager and Strategy Formulation: Objectives, Missions, Strategies and Policies. New Delhi: John Wiley, 1988.

एमएलए उद्धरण

Dittrich, John E. General Manager and Strategy Formulation: Objectives, Missions, Strategies and Policies. John Wiley, 1988.