1. Quality is also of importance in the choice of summer leek cultivars;Aalbersberg;Groenten-en-Fruit,1985
2. United States Standards for Grades of Bunched Shallots;Anon,1946
3. Pest Control in Tropical Onions;Anon,1986
4. The World’s healthiest foods;Anon,2005
5. Leek (vegetable);Anon,2005