Cita APA

O'Connell, S. (2010). Focus on IELTS. Harlow, England: Pearson Education.

Chicago Style Citation

O'Connell, Sue. Focus On IELTS. Harlow, England: Pearson Education, 2010.

Cita MLA

O'Connell, Sue. Focus On IELTS. Harlow, England: Pearson Education, 2010.

Atenció: Aquestes cites poden no estar 100% correctes.