Gilbert, Scott F. 2014. Developmental Biology. Tenth edition. Sunderland, MA, USA: Sinauer Associates, Inc. Publishers.
Lodish, Harvey F. 2021. Molecular Cell Biology. Ninth edtion. New York: Macmillan International Higher Education. https://ebookcentral.proquest.com/lib/uea/detail.action?docID=6499946.
Wolpert, L., Cheryll Tickle, and Alfonso Martinez Arias. 2015. Principles of Development. Fifth edition. Oxford, United Kingdom: Oxford University Press.