(1977). Rust of soybean: The problem and research needs. Urbana: University of Illinois.
Čikaški stil citiranjaRust of Soybean: The Problem and Research Needs. Urbana: University of Illinois, 1977.
MLA način citiranjaRust of Soybean: The Problem and Research Needs. Urbana: University of Illinois, 1977.
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