Libraries, c. e. e. O. L. o. b. o. t. s. o. G. a. M. (2000). World directory of map collections (4ª ed.). K. G. Saur.
Citación estilo ChicagoLibraries, comp. e ed. Olivier Loiseaux on behalf of the section of Geography and Map. World Directory of Map Collections. 4ª ed. K. G. Saur, 2000.
Cita MLALibraries, comp. e ed. Olivier Loiseaux on behalf of the section of Geography and Map. World Directory of Map Collections. 4ª ed. K. G. Saur, 2000.
Warning: These citations may not always be 100% accurate.