Leo Jones. (2003). New Progress to Proficiency: Self - study student book. Đà Nẵng.
Trích dẫn kiểu ChicagoLeo Jones. New Progress to Proficiency: Self - Study Student Book. Đà Nẵng, 2003.
ציטוט MLALeo Jones. New Progress to Proficiency: Self - Study Student Book. Đà Nẵng, 2003.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.