RoselleJulia Morton, Fruits of warm climates
Effect of Nitrogen Nutrition on RoselleE.G. Rhoden, P. David, and T. Small
Handbook of Energy CropsJames A. Duke. 1983. unpublished.
Magness, J.R., G.M. Markle, C.C. Compton. 1971. Food and feed crops of the United States.