APA

Allen J., Bowring J., Cosgrove M. & Iggulden M. (2004). Better Listening Skills. Cairo: Leaders Distribution Company.

Chicago

Allen Julia, Bowring Jane, Cosgrove Matt and Iggulden Margaret. 2004. Better Listening Skills. Cairo: Leaders Distribution Company.

Harvard

Allen J., Bowring J., Cosgrove M. and Iggulden M. (2004). Better Listening Skills. Cairo: Leaders Distribution Company.

MLA

Allen Julia, Bowring Jane, Cosgrove Matt and Iggulden Margaret. Better Listening Skills. Cairo: Leaders Distribution Company. 2004.