JOHANSON, Mark. What Are The Most Popular Wine Grapes In The World? [online]. International Business Times, 2014-01-15 [cit. 2016-05-02]. Dostupné online.
tenimentidalessandro.it
Syrah Worldwide Roma [online]. Convegno E Degustazione [cit. 2016-05-02]. Dostupné v archivu pořízeném z originálu.