Dyfyniad APA

Hall Robert. (1991). Compendium of bean diseases. American phytopathological society.

Dyfyniad Arddull Chicago

Hall Robert. Compendium of Bean Diseases. United States: American phytopathological society, 1991.

Dyfyniad MLA

Hall Robert. Compendium of Bean Diseases. American phytopathological society, 1991.

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