Dubreuil, L. (1993). World directory of map collections (3. ed.). München: Saur.
Chicago Style CitationDubreuil, Lorraine. World Directory of Map Collections. 3. ed. München: Saur, 1993.
MLA CitationDubreuil, Lorraine. World Directory of Map Collections. 3. ed. München: Saur, 1993.
Warning: These citations may not always be 100% accurate.