Citazione APA

Castle, M., Soars, J., & Soars, L. (2001). American headway: Teacher's resource book 2. Oxford: Oxford Univ. Press.

Stile di citazione Chicago

Castle, Matt, John Soars, e Liz Soars. American Headway: Teacher's Resource Book 2. Oxford: Oxford Univ. Press, 2001.

Citazione MLA

Castle, Matt, John Soars, e Liz Soars. American Headway: Teacher's Resource Book 2. Oxford: Oxford Univ. Press, 2001.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.