Thayer, CHarles W.
Russia / CHarles W. Thayer
Time Inc., 1962
 Buku Teks SO
Blum, Robert
The United States and China in world affairs / Robert Blum and edited by
McGraw-Hill, 1966
 Buku Teks SO
Rae, Douglas W.
City : urbanism and its end / Douglas W. Rae
Yale University Press, 2003
 Buku Teks SO
Pacific Islands yearbook/edited by Norman and Ngaire Douglas
[Canberra] Angus & Robertson 1989,
 Buku Referensi
Jackson, W.A. Douglas
Politics and geographic relationships: readings on the nature of political geography / W. A. Douglas Jackson
Prenciton-Hall , 1964
 Buku Teks SO