Cita APA

(1998). Language activator: The world`s firts production dictionary. England: Longman.

Chicago Style Citation

Language Activator: The World`s Firts Production Dictionary. England: Longman, 1998.

Cita MLA

Language Activator: The World`s Firts Production Dictionary. England: Longman, 1998.

Atenció: Aquestes cites poden no estar 100% correctes.