Longman. (2002). Language Activator: Helps You Write And Speak Natural English (2nd.). Pearson.
Citación estilo ChicagoLongman. Language Activator: Helps You Write And Speak Natural English. 2nd. Delhi: Pearson, 2002.
Cita MLALongman. Language Activator: Helps You Write And Speak Natural English. 2nd. Pearson, 2002.
Warning: These citations may not always be 100% accurate.