Di Maria, S. (1969). Our Lady of San Damiano (Piacenza, Italy). Editions du Parvis.
Chicago Style aipamenaDi Maria, S. Our Lady of San Damiano (Piacenza, Italy). Bulle (Switzerland): Editions du Parvis, 1969.
MLA aipamenaDi Maria, S. Our Lady of San Damiano (Piacenza, Italy). Editions du Parvis, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.