Citazione Stile APA (7a Edizione)

Longman. (1993). Language activator: The world's first production dictionary. Longman.

Citazione stile Chigago Style (17a edizione)

Longman. Language Activator: The World's First Production Dictionary. Essex: Longman, 1993.

Citatione MLA (9a ed.)

Longman. Language Activator: The World's First Production Dictionary. Longman, 1993.