Nendeln : The Association of American Geographers
Majalah, Jurnal, Buletin
I Wayan Bawa, author
1983
UI - Disertasi (Membership)
Su Ritohardoyo, author
Ombak, 2013
Buku Teks
J.P. Dickenson [and others] ; penerjemah, Suharyono, Harimuyono
IKIP Semarang Press, 1985
Buku Teks
Artikel Jurnal