Gaya APA

Popper, K. (-1969). The open society and its enemies, (repr.dr. edisi ke-5). Tjet.pertama 1945. 1. The spell of Plato. - 2. The high tide of prophecy: Hegel, Marx and the aftermath. . London: Routledge.

Gaya MLA

Popper, K.R.. "The open society and its enemies, (repr.dr. edisi ke-5). Tjet.pertama 1945. 1. The spell of Plato. - 2. The high tide of prophecy: Hegel, Marx and the aftermath.". London: Routledge, -1969. Buku.