SSpoken languageSpoken languagede Peter Strevens · Publicada por primera vez en 1956MateriasStudy and teachingAfrican speakersEnglish languageLanguage and languagesEdiciones (1)Spoken language (1956)Longmans, Green · inglésMás obras de Peter StrevensIImport/exportImport/exportPapers in language and language teaching. --IIn honour of A.S. HornbyIn honour of A.S. Hornby