Snyder, L. L. (1967). The blood and iron chancellor: A documentary-biography of Otto von Bismarck. Van Nostrand.
Lua i Stíl Chicago (17ú heag.)Snyder, Louis Leo. The Blood and Iron Chancellor: A Documentary-biography of Otto Von Bismarck. Princeton, N.J: Van Nostrand, 1967.
Lua MLA (9ú heag.)Snyder, Louis Leo. The Blood and Iron Chancellor: A Documentary-biography of Otto Von Bismarck. Van Nostrand, 1967.
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