Cita APA

Diana Hopkins. (2002). Passport to IELTS. London: Longman.

Chicago Style Citation

Diana Hopkins. Passport to IELTS. London: Longman, 2002.

Cita MLA

Diana Hopkins. Passport to IELTS. London: Longman, 2002.

Atenció: Aquestes cites poden no estar 100% correctes.