Ashton, T. (1948). Technique of breeding for drought resistance in crops. Commonwealth bureau of plant breeding and genetics, School of Agriuculture Cambridge.
Citazione stile Chigago Style (17a edizione)Ashton, T. Technique of Breeding for Drought Resistance in Crops. England: Commonwealth bureau of plant breeding and genetics, School of Agriuculture Cambridge, 1948.
Citatione MLA (9a ed.)Ashton, T. Technique of Breeding for Drought Resistance in Crops. Commonwealth bureau of plant breeding and genetics, School of Agriuculture Cambridge, 1948.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.