Não informado. (2001). American planning and civic annual. American Planning and Civic Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. American Planning and Civic Annual. Washington: American Planning and Civic Association, 2001.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. American Planning and Civic Annual. American Planning and Civic Association, 2001.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.