Não informado. (1975). Language planning newsletter. East-West Culture Learning Institute.
Chicago-referens (17:e uppl.)Não informado. Language Planning Newsletter. Honolulu, Hawaii: East-West Culture Learning Institute, 1975.
MLA-referens (8:e uppl.)Não informado. Language Planning Newsletter. East-West Culture Learning Institute, 1975.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.