Alexander, E. R. (1986). Approaches to planning: Introducing current planning theories, concepts, and issues. Gordon and Breach.
Chicago-Zitierstil (17. Ausg.)Alexander, Ernest R. Approaches to Planning: Introducing Current Planning Theories, Concepts, and Issues. New York [u.a.]: Gordon and Breach, 1986.
MLA-Zitierstil (9. Ausg.)Alexander, Ernest R. Approaches to Planning: Introducing Current Planning Theories, Concepts, and Issues. Gordon and Breach, 1986.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.