Dyfyniad APA

Stwens,Neil E, & Stevens,Russel B. (1984). Disease in plants: An introduction to agricultural phytopathology. International books &periodicals supply service.

Dyfyniad Arddull Chicago

Stwens,Neil E, and Stevens,Russel B. Disease in Plants: An Introduction to Agricultural Phytopathology. New Delhi: International books &periodicals supply service, 1984.

Dyfyniad MLA

Stwens,Neil E, and Stevens,Russel B. Disease in Plants: An Introduction to Agricultural Phytopathology. International books &periodicals supply service, 1984.

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