* {{Citechú bookthích sách |last1=Schuh |first1=Randall T. |last2=Brower |first2=Andrew V.Z. |year=2009 |title=Biological Systematics: principles and applications |location=Ithaca |publisher=Comstock Pub. Associates/Cornell University Press |edition=2nd |isbn=978-0-8014-4799-0 |oclc=312728177}}
* {{Citechú bookthích sách|editor1-link=Peter Forster (geneticist)|editor1-last=Forster|editor1-first=Peter|editor2-link=Colin Renfrew, Baron Renfrew of Kaimsthorn|editor2-last=Renfrew|editor2-first=Colin|title=Phylogenetic Methods and the Prehistory of Languages|publisher= McDonald Institute Press, University of Cambridge|year=2006|isbn=978-1-902937-33-5|oclc=69733654}}
* {{Citechú bookthích sách|last1=Baum|first1=David A.|last2=Smith|first2=Stacey D.|title=Tree Thinking: an introduction to phylogenetic biology|location=Greenwood Village, CO|publisher=Roberts and Company|year=2013|isbn=978-1-936221-16-5|oclc=767565978}}
* {{citechú bookthích sách|last=Stuessy|first=Tod F.|title=Plant Taxonomy: The Systematic Evaluation of Comparative Data|publisher=Columbia University Press|isbn=0-231-14712-0|url=https://books.google.com/books?id=0bYs8F0Mb9gC|accessdate=ngày 6 Februarytháng 2 năm 2014|year=2009|ref=harv}}
