Grafarend, E. W., & Krumm, F. W. (2006). Map projections: Cartographic information systems. Springer-Verlag.
Chicago Style (17th ed.) CitationGrafarend, Erik W., and Friedrich W. Krumm. Map Projections: Cartographic Information Systems. Berlin: Springer-Verlag, 2006.
ציטוט MLAGrafarend, Erik W., and Friedrich W. Krumm. Map Projections: Cartographic Information Systems. Springer-Verlag, 2006.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.