Downtown Research and Development Center. (1974). How people feel about downtown parking: An opinion research study. Downtown Research and Development Center.
Chicago-viite (17. p.)Downtown Research and Development Center. How People Feel About Downtown Parking: An Opinion Research Study. New York: Downtown Research and Development Center, 1974.
MLA-viite (8. p.)Downtown Research and Development Center. How People Feel About Downtown Parking: An Opinion Research Study. Downtown Research and Development Center, 1974.
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