Não informado. (1975). Language planning newsletter. East-West Culture Learning Institute.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Language Planning Newsletter. Honolulu, Hawaii: East-West Culture Learning Institute, 1975.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Language Planning Newsletter. East-West Culture Learning Institute, 1975.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.