Jupp, . E. Introduction: Planning as a profession in uncertain times. Town Planning Review.
Citazione stile Chigago Style (17a edizione)Jupp, Eleanor. "Introduction: Planning as a Profession in Uncertain Times." Town Planning Review .
Citatione MLA (9a ed.)Jupp, Eleanor. "Introduction: Planning as a Profession in Uncertain Times." Town Planning Review, .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.