Asperen, G. M. v. (1973). Hope and history: A critical inquiry into the philosophy of Ernst Bloch.
Lua i Stíl Chicago (17ú heag.)Asperen, Geertruida Maartje van. Hope and History: A Critical Inquiry into the Philosophy of Ernst Bloch. [Utrecht?, 1973.
Lua MLA (8ú heag.)Asperen, Geertruida Maartje van. Hope and History: A Critical Inquiry into the Philosophy of Ernst Bloch. 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.