Kierans, J. K. (1986). Hegel and the problem of modern freedom. British Library Document Supply Centre.
Lua i Stíl Chicago (17ú heag.)Kierans, John Kenneth. Hegel and the Problem of Modern Freedom. Boston Spa, United Kingdom: British Library Document Supply Centre, 1986.
Lua MLA (8ú heag.)Kierans, John Kenneth. Hegel and the Problem of Modern Freedom. British Library Document Supply Centre, 1986.
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