Double, O., & Wilson, M. Brecht and cabaret: Oliver Double. Michael Wilson. The Cambridge companion to Brecht.(2006).
Citazione stile Chigago Style (17a edizione)Double, Oliver, e Michael Wilson. "Brecht and Cabaret: Oliver Double. Michael Wilson." The Cambridge Companion to Brecht.(2006) .
Citatione MLA (8a ed.)Double, Oliver, e Michael Wilson. "Brecht and Cabaret: Oliver Double. Michael Wilson." The Cambridge Companion to Brecht.(2006), .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.