Rujukan Rai

  1. ↑ Hillman, Gordon (1978). "On the Origins of Domestic rye: Secale Cereale: The Finds from Aceramic Can Hasan III in Turkey". Anatolian Studies. 28: 157–174. doi:10.2307/3642748. JSTOR 3642748. – via JSTOR (subscription required)
  2. ↑ Zohary, Daniel; Hopf, Maria; Weiss, Ehud (2012). Domestication of Plants in the Old World: The Origin and Spread of Domesticated Plants in Southwest Asia, Europe, and the Mediterranean Basin. Oxford: Oxford University Press. m/s. 62. ISBN 978-0-19-954906-1 – melalui Google Books.
  3. ↑ Gyulai, Ferenc (2014). "Archaeobotanical overview of rye (Secale Cereale L.) in the Carpathian-basin I. from the beginning until the Roman age". Journal of Agricultural and Environmental Science. 1 (2): 25–35. Dicapai pada July 14, 2016. page 26.
  4. ↑ Evans, L. T.; Peacock, W. J. (March 19, 1981). Wheat Science: Today and Tomorrow. Cambridge University Press. m/s. 11. ISBN 978-0-521-23793-2 – melalui Google Books.
  5. ↑ Pliny the Elder (1855) [c. 77–79]. The Natural History. Diterjemah oleh Bostock, John; Riley, H. T. London: Taylor and Francis. Book 18, Ch. 40. Dicapai pada July 12, 2016 – melalui Perseus Digital Library, Trufts University.
  6. ↑ "Major Food And Agricultural Commodities And Producers - Countries By Commodity". Fao.org. Dicapai pada 2010-09-17.