Dyfyniad APA

Ashton, T. (1948). Technique of breeding for drought resistance in crops. Commonwealth bureau of plant breeding and genetics, School of Agriuculture Cambridge.

Dyfyniad Arddull Chicago

Ashton, T. Technique of Breeding for Drought Resistance in Crops. England: Commonwealth bureau of plant breeding and genetics, School of Agriuculture Cambridge, 1948.

Dyfyniad MLA

Ashton, T. Technique of Breeding for Drought Resistance in Crops. Commonwealth bureau of plant breeding and genetics, School of Agriuculture Cambridge, 1948.

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