Langan, J. (2006). English Skills With Readings Sixth Edition. McGraw Hill Companies Inc.
Trích dẫn kiểu ChicagoLangan, John. English Skills With Readings Sixth Edition. McGraw Hill Companies Inc, 2006.
ציטוט MLALangan, John. English Skills With Readings Sixth Edition. McGraw Hill Companies Inc, 2006.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.