Webber, M. M. Planning in an environment of change: Part III : permissive planning. Town Planning Review.
Citazione stile Chigago Style (17a edizione)Webber, Melvin M. "Planning in an Environment of Change: Part III : Permissive Planning." Town Planning Review .
Citatione MLA (9a ed.)Webber, Melvin M. "Planning in an Environment of Change: Part III : Permissive Planning." Town Planning Review, .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.