United Nations Economic Commission for Europe Committee on Housing, B. a. P. (1977). Housing for special groups. ELSEVIER.
Chicago-viite (17. p.)United Nations Economic Commission for Europe Committee on Housing, Building and Planning. Housing for Special Groups. ELSEVIER, 1977.
MLA-viite (8. p.)United Nations Economic Commission for Europe Committee on Housing, Building and Planning. Housing for Special Groups. ELSEVIER, 1977.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.