APA-čujuhus (7. p.)
Grafarend, E. W., & Krumm, F. W. (2006). Map Projections: Cartographic Information Systems. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-36702-4
Chicago-čujuhus (17. p.)
Grafarend, Erik W., juo Friedrich W. Krumm. Map Projections: Cartographic Information Systems. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. https://doi.org/10.1007/978-3-540-36702-4.
MLA-čujuhus (9. p.)
Grafarend, Erik W., juo Friedrich W. Krumm. Map Projections: Cartographic Information Systems. Springer Berlin Heidelberg, 2006. https://doi.org/10.1007/978-3-540-36702-4.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.