Posada, David; Crandall, Keith A. (2001). "Intraspecific gene genealogies: Trees grafting into networks". Trends in Ecology & Evolution. 16 (1): 37–45. doi:10.1016/S0169-5347(00)02026-7. PMID11146143.
Mayr, Ernst (2009). "Cladistic analysis or cladistic classification?". Journal of Zoological Systematics and Evolutionary Research. 12: 94–128. doi:10.1111/j.1439-0469.1974.tb00160.x.
Brower, Andrew V.Z. (2016). "What is a cladogram and what is not?". Cladistics. 32 (5): 573–576. doi:10.1111/cla.12144. PMID34740305Check |pmid= value (bantuan).
Posada, David; Crandall, Keith A. (2001). "Intraspecific gene genealogies: Trees grafting into networks". Trends in Ecology & Evolution. 16 (1): 37–45. doi:10.1016/S0169-5347(00)02026-7. PMID11146143.
Brower, Andrew V.Z. (2016). "What is a cladogram and what is not?". Cladistics. 32 (5): 573–576. doi:10.1111/cla.12144. PMID34740305Check |pmid= value (bantuan).