GrapefruitJulia Morton, Fruits of warm climates
Food and feed crops of the United StatesMagness, J.R., G.M. Markle, C.C. Compton. 1971.
CitrusDescriptors for CitrusLink to the publication on the International Plant Genetic Resources Institute web site
CitrusFAO/IBPGR Technical Guidelines for the Safe Movement of Citrus GermplasmLink to the publication on the International Plant Genetic Resources Institute web site