O'Connell, S. (1993). Focus on advanced English C.A.E: Practice tests with grammar. Halow, UK: Longman.
Stile di citazione ChicagoO'Connell, Sue. Focus On Advanced English C.A.E: Practice Tests With Grammar. Halow, UK: Longman, 1993.
Citazione MLAO'Connell, Sue. Focus On Advanced English C.A.E: Practice Tests With Grammar. Halow, UK: Longman, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.