John Abromeit. (2012). Max Horkheimer and the Foundations of the Frankfurt School (1.). Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)John Abromeit. Max Horkheimer and the Foundations of the Frankfurt School. 1. Cambridge University Press, 2012.
Lua MLA (8ú heag.)John Abromeit. Max Horkheimer and the Foundations of the Frankfurt School. 1. Cambridge University Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.