Gaya APA
Campbell, John. (2001).
Map use & analysis .
America:
McGraw Hill.
Gaya Chicago
Campbell, John.
Map use & analysis.
America:
McGraw Hill,
2001.
Buku.
Gaya MLA
Campbell, John.
Map use & analysis.
America:
McGraw Hill,
2001.
Buku.
Gaya Turabian
Campbell, John.
Map use & analysis.
America:
McGraw Hill,
2001.
Buku.