Não informado. (1975). Language planning newsletter. East-West Culture Learning Institute.
Chicago-Zitierstil (17. Ausg.)Não informado. Language Planning Newsletter. Honolulu, Hawaii: East-West Culture Learning Institute, 1975.
MLA-Zitierstil (8. Ausg.)Não informado. Language Planning Newsletter. East-West Culture Learning Institute, 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.