Dyfyniad APA

(1997). Major world soybean diseases, weeds and insect pests: A diagnostic pictorial atlas. Rome, Italy: Sponsored by Agricultural Experiment Station, University of Illinois at Urbana-Champaign and FAO-UN.

Dyfyniad Arddull Chicago

Major World Soybean Diseases, Weeds and Insect Pests: A Diagnostic Pictorial Atlas. Rome, Italy: Sponsored by Agricultural Experiment Station, University of Illinois at Urbana-Champaign and FAO-UN, 1997.

Dyfyniad MLA

Major World Soybean Diseases, Weeds and Insect Pests: A Diagnostic Pictorial Atlas. Rome, Italy: Sponsored by Agricultural Experiment Station, University of Illinois at Urbana-Champaign and FAO-UN, 1997.

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