Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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