National Geographic
National Geographic Partners, {s.a.}
 Majalah, Jurnal, Buletin
National Geographic Indonesia
Gramedia Percetakan, {s.a.}
 Majalah, Jurnal, Buletin
Macdonald, Phil
National Geographic Traveler Thailand
National Geographic, 2009
 Buku Teks SO
Progress in rural geography
edited by Michael Pacione.
Barnes & Noble Books, [1983;1983;1983;1983;1983;1983, 1983]
 Buku Teks SO
Boyce, Ronald Reed
Geographic perspectives on global problems : an introduction to geography
John Wiley & Sons, 1982
 Buku Teks SO