Hvattum, M. (2004). Gottfried Semper and the problem of historicism. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Hvattum, Mari. Gottfried Semper and the Problem of Historicism. Cambridge ; New York: Cambridge University Press, 2004.
Lua MLA (8ú heag.)Hvattum, Mari. Gottfried Semper and the Problem of Historicism. Cambridge University Press, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.