APA ציטוט

Grafarend, E. W., & Krumm, F. W. (2006). Map projections: Cartographic information systems. Springer-Verlag.

Chicago Style (17th ed.) Citation

Grafarend, Erik W., and Friedrich W. Krumm. Map Projections: Cartographic Information Systems. Berlin: Springer-Verlag, 2006.

ציטוט MLA

Grafarend, Erik W., and Friedrich W. Krumm. Map Projections: Cartographic Information Systems. Springer-Verlag, 2006.