APA
"United Nations P. I. (. o., "United Nations P. I. (. o., . (1953). Economic Commission for Europe. New: York United Nations USA.
Chicago
"United Nations Public Information (Deptt of-)", "United Nations Public Information (Deptt of-)", . 1953. Economic Commission for Europe. New: York United Nations USA.
Harvard
"United Nations P. I. (. o., "United Nations P. I. (. o., . (1953). Economic Commission for Europe. New: York United Nations USA.
MLA
"United Nations Public Information (Deptt of-)", "United Nations Public Information (Deptt of-)", . Economic Commission for Europe. New: York United Nations USA. 1953.
