Silver, . C. Viewpoint: ACSP retrospective. Town Planning Review.
Cita Chicago (17th ed.)Silver, Christopher. "Viewpoint: ACSP Retrospective." Town Planning Review .
Cita MLA (9th ed.)Silver, Christopher. "Viewpoint: ACSP Retrospective." Town Planning Review, .
Atenció: Aquestes cites poden no estar 100% correctes.