APA Citation

O'Connell, S. (1984). Focus on proficiency: Teacher's book. London: Collins ELT.

Chicago Style Citation

O'Connell, Sue. Focus On Proficiency: Teacher's Book. London: Collins ELT, 1984.

MLA Citation

O'Connell, Sue. Focus On Proficiency: Teacher's Book. London: Collins ELT, 1984.

Warning: These citations may not always be 100% accurate.