Ashton, T. (1948). Technique of breeding for drought resistance in crops. Commonwealth bureau of plant breeding and genetics, School of Agriuculture Cambridge.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAshton, T. Technique of Breeding for Drought Resistance in Crops. England: Commonwealth bureau of plant breeding and genetics, School of Agriuculture Cambridge, 1948.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAshton, T. Technique of Breeding for Drought Resistance in Crops. Commonwealth bureau of plant breeding and genetics, School of Agriuculture Cambridge, 1948.
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