Não informado. (1911). Phytopathology. American Phytopathological Society.
Lua i Stíl Chicago (17ú heag.)Não informado. Phytopathology. Saint Paul, Minn: American Phytopathological Society, 1911.
Lua MLA (8ú heag.)Não informado. Phytopathology. American Phytopathological Society, 1911.
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