APA-viite (7. p.)

Longman. (2002). Language Activator: Helps You Write And Speak Natural English (2nd.). Pearson.

Chicago-viite (17. p.)

Longman. Language Activator: Helps You Write And Speak Natural English. 2nd. Delhi: Pearson, 2002.

MLA-viite (9. p.)

Longman. Language Activator: Helps You Write And Speak Natural English. 2nd. Pearson, 2002.