1
Publicat 1962
“...United Nations. Office of Public Information....”
Llibre
2
Publicat 1975
“...United Nations. Office of Public Information....”Full text available from Military Database: 03/01/1988 to 1996
Full text available from Research Library: 03/01/1988 to 1996
Full text available from Social Science Database: 03/01/1988 to 1996
Electrònic
Revista
