Scott-Barrett, F., & Fiona Scott-Barrett. (2002). New Proficiency Listening & Speaking. Longman: Pearson Education.
Chicago Style CitationScott-Barrett, Fiona, i Fiona Scott-Barrett. New Proficiency Listening & Speaking. Longman: Pearson Education, 2002.
Cita MLAScott-Barrett, Fiona, i Fiona Scott-Barrett. New Proficiency Listening & Speaking. Longman: Pearson Education, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.