Leach, R. 'Mother Courage and Her Children': Robert Leach. The Cambridge companion to Brecht.(2006).
Citazione stile Chigago Style (17a edizione)Leach, Robert. "'Mother Courage and Her Children': Robert Leach." The Cambridge Companion to Brecht.(2006) .
Citatione MLA (8a ed.)Leach, Robert. "'Mother Courage and Her Children': Robert Leach." The Cambridge Companion to Brecht.(2006), .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.