Thomson, P. (1989). The Poetry of Brecht: Seven Studies. University of North Carolina Press.
Chicago-referens (17:e uppl.)Thomson, Philip. The Poetry of Brecht: Seven Studies. Chapel Hill: University of North Carolina Press, 1989.
MLA-referens (9:e uppl.)Thomson, Philip. The Poetry of Brecht: Seven Studies. University of North Carolina Press, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.