Dyfyniad APA

Wiese,M V. (1991). Compendium of wheat diseases. Ameriacn phytopathological society.

Dyfyniad Arddull Chicago

Wiese,M V. Compendium of Wheat Diseases. United States: Ameriacn phytopathological society, 1991.

Dyfyniad MLA

Wiese,M V. Compendium of Wheat Diseases. Ameriacn phytopathological society, 1991.

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