James P[eter] Allen (2010) Middle Egyptian: An Introduction to the Language and Culture of Hieroglyphs, 2nd edition, Cambridge: Cambridge University Press, →ISBN, page 99.
^ Orel, Vladimir E., Stolbova, Olga V. (1995) “*pVg-”, in Hamito-Semitic Etymological Dictionary: Materials for a Reconstruction (Handbuch der Orientalistik; I.18), Leiden, New York, Köln: E.J. Brill
^ Loprieno, Antonio (1995) Ancient Egyptian: A Linguistic Introduction, Cambridge: Cambridge University Press, →ISBN, pages 38, 57