Touponce, William F. (1988). "Dune: Herbert's Polyphonic Novel". Frank Herbert. Boston, Massachusetts: Twayne Publishers imprint, G. K. Hall & Co. p. 12. ISBN0-8057-7514-5.
Touponce, William F. (1988). "Dune: Herbert's Polyphonic Novel". Frank Herbert. Boston, Massachusetts: Twayne Publishers imprint, G. K. Hall & Co. pp. 18. ISBN0-8057-7514-5.
Dune: Creating the Audiobooks (Official promotional video, includes images of Frank Herbert's pronunciation notes for some terms). مکمیلن. December 23, 2008. Event occurs at 4:04. Archived from the original on 1 August 2022. Retrieved January 23, 2010.{{cite AV media}}: نگهداری یادکرد:ربات:وضعیت نامعلوم پیوند اصلی (link)