 2012.↑ "Lactuca sativa L". United States Department of Agriculture. සම්ප්‍රවේශය 2 අප්‍රේල් 2012.↑ Porcher, Michael H. (2005). "Sorting Lactuca Names". Multilingual Multiscript Plant Name Database. University of Melbourne. සම්ප්‍රවේශය 2 අප්‍රේල් 2012.↑ 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 University Press. ISBN 0-19-954906-0.{{cite book}}:  CS1 maint: multiple names: authors list (link)↑ "Lactuca sativa". Missouri Botanical Garden. සම්ප්‍රවේශය 27 මාර්තු 2012.↑ 10.0 10.1 Fine Cooking Magazine (2011). Fine Cooking in Season: Your Guide to Choosing and Preparing the Season's Best. Taunton Press. p. 28. ISBN 1-60085-303-X.↑ 11.0 11.1 11.2 Ryder, J. and Waycott, Williams (1993). "New Directions in Salad Crops: New Forms, New Tools, and Old Philosophy". In Janick, J and Simon J.E (ed.). New Crops. Wiley. pp. 528–532.{{ci