Willett, J. (1995). The theatre of Bertolt Brecht: A study from eith aspects. Methuen.
Citazione stile Chigago Style (17a edizione)Willett, John. The Theatre of Bertolt Brecht: A Study from Eith Aspects. London: Methuen, 1995.
Citatione MLA (9a ed.)Willett, John. The Theatre of Bertolt Brecht: A Study from Eith Aspects. Methuen, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.