APA-referens (7:e uppl.)
Skira, A., Calvesi, M., & Campos, D. R. d. Treasures of the Vatican: Saint Peter's Basilica, The Vatican Museums and Galleries, The Treasure of Saint Peter's, The Vatican Grottoes and Necropolis, The Vatican Palaces. Skira.
Chicago-referens (17:e uppl.)
Skira, Albert, Maurizio Calvesi, och Deoclecio Redig de Campos. Treasures of the Vatican: Saint Peter's Basilica, The Vatican Museums and Galleries, The Treasure of Saint Peter's, The Vatican Grottoes and Necropolis, The Vatican Palaces. Ginebra, Suiza: Skira.
MLA-referens (9:e uppl.)
Skira, Albert, et al. Treasures of the Vatican: Saint Peter's Basilica, The Vatican Museums and Galleries, The Treasure of Saint Peter's, The Vatican Grottoes and Necropolis, The Vatican Palaces. Skira.
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