Cita APA

O'Connell, S. (2002). Focus on IELTS. London: Pearson education.

Chicago Style Citation

O'Connell, Sue. Focus On IELTS. London: Pearson education, 2002.

Cita MLA

O'Connell, Sue. Focus On IELTS. London: Pearson education, 2002.

Atenció: Aquestes cites poden no estar 100% correctes.