Wieland, C. M. (1879). Peregrinus Proteus. Hempel.
Lua i Stíl Chicago (17ú heag.)Wieland, Christoph Martin. Peregrinus Proteus. Berlin: Hempel, 1879.
Lua MLA (8ú heag.)Wieland, Christoph Martin. Peregrinus Proteus. Hempel, 1879.
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