Gilson, E. (1960). Heloise and Abelard. University of Michigan Press.
Chicago Style aipamenaGilson, Etienne. Heloise and Abelard. Ann Arbor: University of Michigan Press, 1960.
MLA aipamenaGilson, Etienne. Heloise and Abelard. University of Michigan Press, 1960.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.