Não informado. (2001). American planning and civic annual. American Planning and Civic Association.
Chicago-Zitierstil (17. Ausg.)Não informado. American Planning and Civic Annual. Washington: American Planning and Civic Association, 2001.
MLA-Zitierstil (8. Ausg.)Não informado. American Planning and Civic Annual. American Planning and Civic Association, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.