1. Official Grain Grading Guide—Canola and Rapeseed, Chapter 10http://www.grainscanada.gc.ca/oggg-gocg/10/oggg-gocg-10-eng.htm
2. Estimated Areas, Yield and Production of Principal Field Crops by Small Area Data Regions, in Metric and Imperial Units Annualhttp://www5.statcan.gc.ca/cansim/a26?lang=eng&retrLang=eng&id=0010071&paSer=&pattern=&stByVal=1&p1=1&p2=31&tabMode=dataTable&csid
3. Canadian Canola Quality Parameters: Comparison of Results from Harvest and Export Surveys. International Consultative Group for Research on Rapeseedhttp://gcirc.org/fileadmin/documents/Bulletins/B22/Canadian_Canola_Quality_Parameters.pdf
4. Contribution of Dockage (Admixture) to the Chlorophyll Content of Canadian Canola exports. International Consultative Group for Research on Rapeseedhttp://gcirc.org/fileadmin/user_upload/Contribution_of_Dockage.pdf
5. How green is green? Sampling and perception in assessing green seeds and chlorophyll in canola