Silver, . C. Viewpoint: ACSP retrospective. Town Planning Review.
Citazione stile Chigago Style (17a edizione)Silver, Christopher. "Viewpoint: ACSP Retrospective." Town Planning Review .
Citatione MLA (9a ed.)Silver, Christopher. "Viewpoint: ACSP Retrospective." Town Planning Review, .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.