Buerli, Markus (2006). "Farro in Italy"(PDF). The Global Facilitation Unit for Underutilized Species. Archived from the original(PDF) on 24 December 2017. Retrieved December 23, 2017 – via Bioversity International.
Julavits, Heidi (November 30, 2008). "Grain Exchange". The New York Times.
web.archive.org
Buerli, Markus (2006). "Farro in Italy"(PDF). The Global Facilitation Unit for Underutilized Species. Archived from the original(PDF) on 24 December 2017. Retrieved December 23, 2017 – via Bioversity International.