Silberman, M., Ryland, C., & Imbrigotta, K. (2005). Data in online database 'Brecht's Works in English: A Bibliography'. University of Wisconsin-Madison.
Citazione stile Chigago Style (17a edizione)Silberman, M., C. Ryland, e K. Imbrigotta. Data in Online Database 'Brecht's Works in English: A Bibliography'. University of Wisconsin-Madison, 2005.
Citatione MLA (9a ed.)Silberman, M., et al. Data in Online Database 'Brecht's Works in English: A Bibliography'. University of Wisconsin-Madison, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.