Cita APA (7a ed.)

Deane, G. (1998). Challenging the more able language user (1st pub.). David Fulton Publishers.

Cita Chicago Style (17a ed.)

Deane, Geoff. Challenging the More Able Language User. 1st pub. London: David Fulton Publishers, 1998.

Cita MLA (9a ed.)

Deane, Geoff. Challenging the More Able Language User. 1st pub. David Fulton Publishers, 1998.