Goebel, E. Eclipse of Reason: Max Horkheimer's New York Lectures, 1944 / Eckart Goebel. "Escape to life" : German intellectuals in New York: a compendium on exile after 1933.(2012).
Lua i Stíl Chicago (17ú heag.)Goebel, Eckart. "Eclipse of Reason: Max Horkheimer's New York Lectures, 1944 / Eckart Goebel." "Escape to Life" : German Intellectuals in New York: A Compendium on Exile After 1933.(2012) .
Lua MLA (8ú heag.)Goebel, Eckart. "Eclipse of Reason: Max Horkheimer's New York Lectures, 1944 / Eckart Goebel." "Escape to Life" : German Intellectuals in New York: A Compendium on Exile After 1933.(2012), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.