Thomson, P. (1989). The Poetry of Brecht: Seven Studies. University of North Carolina Press.
Chicago-viite (17. p.)Thomson, Philip. The Poetry of Brecht: Seven Studies. Chapel Hill: University of North Carolina Press, 1989.
MLA-viite (9. p.)Thomson, Philip. The Poetry of Brecht: Seven Studies. University of North Carolina Press, 1989.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.