Template:Ford-Lloyd & Williams, 1975
- Ford-Lloyd, B.V. & Williams, J.T. 1975. A revision of Beta section Vulgares (Chenopodiaceae), with new light on the origin of cultivated beets. Botanical Journal of the Linnean Society 71(2): 89–102. DOI: 10.1111/j.1095-8339.1975.tb02448.x