Gaya APA
Dent, B, D.
(1999).
Cartography: thematic map design
(
5th ed.)
.
New York:
McGraw-Hill.
Gaya MLA
Dent, Borden, D..
"Cartography: thematic map design".
5th ed.
New York:
McGraw-Hill,
1999.
Printed Book.