National Research Council (U.S.), Symposium on the Adequacy and Maintenance of Urban Public Facilities, & Hanson, R. (1984). Perspectives on urban infrastructure. National Academy Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)National Research Council (U.S.), Symposium on the Adequacy and Maintenance of Urban Public Facilities, ба Royce Hanson. Perspectives on Urban Infrastructure. Washington, D.C.: National Academy Press, 1984.
MLA -ийн эшлэл (9 дэх хэвлэлт)National Research Council (U.S.), et al. Perspectives on Urban Infrastructure. National Academy Press, 1984.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.