Language in education a source book

Xehetasun bibliografikoak
Erakunde egilea:	Open University. Language and Learning Course Team
Formatua:	Liburua
Hizkuntza:	English
Argitaratua:	London Routledge and Kegan Paul in association with the Open University Press [c1972].
Gaiak:	Language and languages. Sociolinguistics. Communication.