Krasny, P. (2009). Le vrai portrait de Notre-Dame, O próbach odnowienia ikonografii maryjnej w XIX wieku - Le vrai portrait de Notre-Dame, On the attempts to refresh the Marian iconography in the 19th century. Universitätsbibliothek Heidelberg.
Chicago Style (17th ed.) CitationKrasny, Piotr. Le Vrai Portrait De Notre-Dame, O Próbach Odnowienia Ikonografii Maryjnej W XIX Wieku - Le Vrai Portrait De Notre-Dame, On the Attempts to Refresh the Marian Iconography in the 19th Century. Heidelberg: Universitätsbibliothek Heidelberg, 2009.
MLA (9th ed.) CitationKrasny, Piotr. Le Vrai Portrait De Notre-Dame, O Próbach Odnowienia Ikonografii Maryjnej W XIX Wieku - Le Vrai Portrait De Notre-Dame, On the Attempts to Refresh the Marian Iconography in the 19th Century. Universitätsbibliothek Heidelberg, 2009.