APA (7 वां संस्करण) प्रशस्ति पत्र
International Federation of Library Associations and Institutions. Section of Geography and Map Libraries, Carrington, D. K., Grim, R. E., & Wolter, J. A. (1986). World directory of map collections (Second edition.). K.G. Saur.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
International Federation of Library Associations and Institutions. Section of Geography and Map Libraries, David K. Carrington, Ronald E. Grim, और John Amadeus Wolter. World Directory of Map Collections. Second edition. Munchen ; New York: K.G. Saur, 1986.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
International Federation of Library Associations and Institutions. Section of Geography and Map Libraries, et al. World Directory of Map Collections. Second edition. K.G. Saur, 1986.
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