Longman. (2002). Language Activator: Helps You Write And Speak Natural English (2nd.). Pearson.
Citação norma ChicagoLongman. Language Activator: Helps You Write And Speak Natural English. 2nd. Delhi: Pearson, 2002.
Citação norma MLALongman. Language Activator: Helps You Write And Speak Natural English. 2nd. Pearson, 2002.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.