PORTER, D. M. Compendium of peanut diseases. APS Press.
Lua i Stíl Chicago (17ú heag.)PORTER, D. MORRIS. Compendium of Peanut Diseases. APS Press.
Lua MLA (8ú heag.)PORTER, D. MORRIS. Compendium of Peanut Diseases. APS Press.
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