Style de citation APA

(2002). Longman language activator: Helps you write and speak natural English. London: Longman.

Style de citation Chicago

Longman Language Activator: Helps You Write and Speak Natural English. London: Longman, 2002.

Style de citation MLA

Longman Language Activator: Helps You Write and Speak Natural English. London: Longman, 2002.

Attention : ces citations peuvent ne pas être correctes à 100%.