Patestas, Maria A.; Gartner, Leslie P. (2016). A Textbook of Neuroanatomy (2nd ed.). Hoboken, New Jersey: Wiley-Blackwell. p. 71. ISBN 978-1-118-67746-9. 978-1-118-67746-9
"Anatomy of the Epidural Space" University of Washington http://depts.washington.edu/anesth/regional/epiduralspaceframes.html
Detlev Uhlenbrock, Dirk Brechtelsbauer "MR imaging of the spine and spinal cord" pg469 https://books.google.com/books?id=4mZdMPduh3UC&dq=%22Epidural+venous+plexus%22&pg=PA469
Patestas, Maria A.; Gartner, Leslie P. (2016). A Textbook of Neuroanatomy (2nd ed.). Hoboken, New Jersey: Wiley-Blackwell. p. 71. ISBN 978-1-118-67746-9. 978-1-118-67746-9