Gaya APA
Peterson, G, N. (2015).
GIS Cartography: A Guide to Effective Map Design second edition (Second Edition).
Boca Raton:
CRC Press.
Gaya MLA
Peterson, Gretchen, N..
"GIS Cartography: A Guide to Effective Map Design second edition".
Second Edition
Boca Raton:
CRC Press,
2015.
Text.