Waterdrinker, Pieter
Liebmans Ring
Uitgeverij De Arbeiderspers, 2001
 Buku Teks
Ring theory: proceedings
edited by Robert Gordon
Academic Press, 1972
 Buku Teks
Homan, Welmoed
Reis van de ring
Wolters-Noordhoff, 2000
 Buku Teks
Teori ring dan modul
Sri Wahyuni, Indah Emilia Wijayanti, Dian Ariesta Yuwaningsih, Ari Dwi Hartanto
Gadjah Mada University Press, 2016
 Buku Teks
Lambert, Sylvie
The ring : design past and present
Roto Vision, 1998
 Buku Referensi