Citazione APA

O'connell, S. (2002). Focus on IELTS: Teacher's Book. Harlow, England: Long man, Pearson Education.

Stile di citazione Chicago

O'connell, Sue. Focus On IELTS: Teacher's Book. Harlow, England: Long man, Pearson Education, 2002.

Citazione MLA

O'connell, Sue. Focus On IELTS: Teacher's Book. Harlow, England: Long man, Pearson Education, 2002.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.