Wait, James R.
Geo-electromagnetism
Academic Press, 1982
 Buku Teks
Portocarero, Herman, 1952-
Geo-grafitti
Manteau, 1992
 Buku Teks
Geo-informatika
Pusat Pelayanan Jasa dan Informasi Badan Koordinasi Survei dan Pemetaan Nasional ( BAKOSURTANAL),
 Majalah, Jurnal, Buletin
Bye, Raymond T.
Applied economics : the application of economic principles to the problems of economic life
Appleton-Century-Crofts, 1947
 Buku Teks
Hwaite, E.B.
Ujongeui Geo mijal
Changjakwabipheongsa, 2000
 Buku Teks