(1987). A communicative grammar (3rd Edition).
Trích dẫn kiểu ChicagoA Communicative Grammar (3rd Edition). 1987.
ציטוט MLAA Communicative Grammar (3rd Edition). 1987.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.
(1987). A communicative grammar (3rd Edition).
Trích dẫn kiểu ChicagoA Communicative Grammar (3rd Edition). 1987.
ציטוט MLAA Communicative Grammar (3rd Edition). 1987.