Swan, M., & Walter, C. (1991). The Cambridge English Course: T. I. Practice Book. New York: Cambridge University Press.
Trích dẫn kiểu ChicagoSwan, Michael, và Catherine Walter. The Cambridge English Course: T. I. Practice Book. New York: Cambridge University Press, 1991.
ציטוט MLASwan, Michael, và Catherine Walter. The Cambridge English Course: T. I. Practice Book. New York: Cambridge University Press, 1991.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.