Swan, M., & Walter, C. (1984). The Cambridge English course 1: Student's cassette. Cambridge: Cambridge University Press.
Trích dẫn kiểu ChicagoSwan, Michael, và Catherine Walter. The Cambridge English Course 1: Student's Cassette. Cambridge: Cambridge University Press, 1984.
Deismireacht MLASwan, Michael, và Catherine Walter. The Cambridge English Course 1: Student's Cassette. Cambridge: Cambridge University Press, 1984.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.