(2002). Longman language activator: Helps you write and speak natural English. London: Longman.
Chicago Style CitationLongman Language Activator: Helps You Write and Speak Natural English. London: Longman, 2002.
Cita MLALongman Language Activator: Helps You Write and Speak Natural English. London: Longman, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.