Francesco Calabrese (2003). «Origin and history». In: Giovanni Dugo; Angelo Di Giacomo. Citrus: The Citrus Genus. [S.l.]: CRC Press. p. 4. ISBN9780203216613
(em inglês) Nicolosi, E.; Deng, Z.N.; Gentile, A.; La Malfa, S.; Continella, G. & Tribulato, E., 2000, Citrus phylogeny and genetic origin of important species as investigated by molecular markers. Theoretical and Applied Genetics100(8): 1155-1166. doi:10.1007/s001220051419 (resumo em HTML).
Klein, J. (2014). «Citron Cultivation, Production and Uses in the Mediterranean Region». In: Z. Yaniv; N. Dudai. Medicinal and Aromatic Plants of the Middle-East. Col: Medicinal and Aromatic Plants of the World. 2. [S.l.]: Springer Netherlands. pp. 199–214. ISBN978-94-017-9275-2. doi:10.1007/978-94-017-9276-9_10
Wu, Guohong Albert; Terol, Javier; Ibanez, Victoria; López-García, Antonio; Pérez-Román, Estela; Borredá, Carles; Domingo, Concha; Tadeo, Francisco R; Carbonell-Caballero, Jose; Alonso, Roberto; Curk, Franck; Du, Dongliang; Ollitrault, Patrick; Roose, Mikeal L. Roose; Dopazo, Joaquin; Gmitter Jr, Frederick G.; Rokhsar, Daniel; Talon, Manuel (2018). «Genomics of the origin and evolution of Citrus». Nature. 554 (7692): 311–316. PMID29414943. doi:10.1038/nature25447
Ramadugu, Chandrika; Keremane, Manjunath L; Hu, Xulan; Karp, David; Frederici, Claire T; Kahn, Tracy; Roose, Mikeal L; Lee, Richard F. (2015). «Genetic analysis of citron (Citrus medica L.) using simple sequence repeats and single nucleotide polymorphisms». Scientia Horticulturae. 195: 124–137. doi:10.1016/j.scienta.2015.09.004
E. Nicolosi; Z. N. Deng; A. Gentile; S. La Malfa; G. Continella; E. Tribulato (Junho de 2000). «Citrus phylogeny and genetic origin of important species as investigated by molecular markers». Theoretical and Applied Genetics. 100 (8): 1155–1166. doi:10.1007/s001220051419
Asad Asadi Abkenar; Shiro Isshiki; Yosuke Tashiro (1 novembro 2004). «Phylogenetic relationships in the 'true citrus fruit trees' revealed by PCR-RFLP analysis of cpDNA». Scientia Horticulturae. 102 (2): 233–242. doi:10.1016/j.scienta.2004.01.003
C. A. Krug (Junho 1943). «Chromosome Numbers in the Subfamily Aurantioideae with Special Reference to the Genus Citrus». Botanical Gazette. 104 (4): 602–611. JSTOR2472147. doi:10.1086/335173
R. Carvalho; W. S. Soares Filho; A. C. Brasileiro-Vidal; M. Guerra (Março de 2005). «The relationships among lemons, limes and citron: a chromosomal comparison». Cytogenetic and Genome Research. 109 (1–3): 276–282. PMID15753587. doi:10.1159/000082410
Erich Isaac (janeiro de 1959). «The Citron in the Mediterranean: a study in religious influences». Economic Geography. 35 (1): 71–78. JSTOR142080. doi:10.2307/142080
Ramón-Laca, L. (2003). «The Introduction of Cultivated Citrus to Europe via Northern Africa and the Iberian Peninsula». Economic Botany. 57 (4): 502–514. doi:10.1663/0013-0001(2003)057[0502:tiocct]2.0.co;2
C. A. Krug (Junho 1943). «Chromosome Numbers in the Subfamily Aurantioideae with Special Reference to the Genus Citrus». Botanical Gazette. 104 (4): 602–611. JSTOR2472147. doi:10.1086/335173
Erich Isaac (janeiro de 1959). «The Citron in the Mediterranean: a study in religious influences». Economic Geography. 35 (1): 71–78. JSTOR142080. doi:10.2307/142080
nih.gov
ncbi.nlm.nih.gov
Wu, Guohong Albert; Terol, Javier; Ibanez, Victoria; López-García, Antonio; Pérez-Román, Estela; Borredá, Carles; Domingo, Concha; Tadeo, Francisco R; Carbonell-Caballero, Jose; Alonso, Roberto; Curk, Franck; Du, Dongliang; Ollitrault, Patrick; Roose, Mikeal L. Roose; Dopazo, Joaquin; Gmitter Jr, Frederick G.; Rokhsar, Daniel; Talon, Manuel (2018). «Genomics of the origin and evolution of Citrus». Nature. 554 (7692): 311–316. PMID29414943. doi:10.1038/nature25447
R. Carvalho; W. S. Soares Filho; A. C. Brasileiro-Vidal; M. Guerra (Março de 2005). «The relationships among lemons, limes and citron: a chromosomal comparison». Cytogenetic and Genome Research. 109 (1–3): 276–282. PMID15753587. doi:10.1159/000082410
«Chap. 31.—The Citron-Tree». Perseus Digital Library. Tufts University excerpting from John Bostock; H.T. Riley, eds. (1855). The Natural History. Pliny the Elder. London: Taylor and Francis