Dyfyniad APA

(1977). Rust of soybean: The problem and research needs. Urbana: University of Illinois.

Dyfyniad Arddull Chicago

Rust of Soybean: The Problem and Research Needs. Urbana: University of Illinois, 1977.

Dyfyniad MLA

Rust of Soybean: The Problem and Research Needs. Urbana: University of Illinois, 1977.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.