Cita APA (7a ed.)
O'Driscoll, N., & Ellis, M. (1992). Socializing: Longman business english skills (1.ed.). Longman Group UK.
Cita Chicago Style (17a ed.)
O'Driscoll, Nina, y Mark Ellis. Socializing: Longman Business English Skills. 1.ed. Essex: Longman Group UK, 1992.
Cita MLA (9a ed.)
O'Driscoll, Nina, y Mark Ellis. Socializing: Longman Business English Skills. 1.ed. Longman Group UK, 1992.
Precaución: Estas citas no son 100% exactas.