APA
National Institute of Agricultural Botany. Cambridge E., . (1997). Sugar beet variety leaflet. Linton, Cambridge: National Institute of Agricultural Botany.
Chicago
National Institute of Agricultural Botany. Cambridge England, . 1997. Sugar beet variety leaflet. Linton, Cambridge: National Institute of Agricultural Botany.
Harvard
National Institute of Agricultural Botany. Cambridge E., . (1997). Sugar beet variety leaflet. Linton, Cambridge: National Institute of Agricultural Botany.
MLA
National Institute of Agricultural Botany. Cambridge England, . Sugar beet variety leaflet. Linton, Cambridge: National Institute of Agricultural Botany. 1997.
