Letunic, I; Bork, P. Interactive Tree Of Life (iTOL): an online tool for phylogenetic tree display and annotation.. Bioinformatics (Pubmed)使用|format=需要含有|url= (帮助). 2007, 23 (1): 127–8. PMID 17050570. doi:10.1093/bioinformatics/btl529.
Letunic, I; Bork, P. Interactive Tree Of Life (iTOL): an online tool for phylogenetic tree display and annotation.. Bioinformatics (Pubmed)使用|format=需要含有|url= (帮助). 2007, 23 (1): 127–8. PMID 17050570. doi:10.1093/bioinformatics/btl529.