Wysocki, D (July 2002). "Edible Mustard"(PDF). Oregon State University Extension. Archived(PDF) from the original on 27 December 2021. Retrieved 27 December 2021.
purdue.edu
hort.purdue.edu
"Mustard". hort.purdue.edu. Archived from the original on 19 January 2022. Retrieved 23 December 2021.
Wysocki, D (July 2002). "Edible Mustard"(PDF). Oregon State University Extension. Archived(PDF) from the original on 27 December 2021. Retrieved 27 December 2021.