por Walker, Richard, 1951- [autor] | Burnie, David [colaborador] | Translinguae (Firma comercial).
por Mills, Andrea [autor] | Walker, Richard [editor] | Bryan, Kim [editor] | Challoner, Jack [editor] | Stott, Carole [editor] | Kennedy, Susan [editor] | Nualart, Anna [traductor] | Mills, Andrea. True or false?.