The changing map of Asia : a political geography
edited by W. Gordon East and O.H.K. Spate
Methuen, 1950
 Buku Teks SO
Juwono Sudarsono
Perimbangan kekuatan di Asia Tenggara
Universitas Indonesia, 1980
 Buku Teks SO
Sellman, Roger Raymond
An Outline atlas of eastern history
Edward Arnold, 1954
 Buku Referensi
East, W. Gordon
Changing map in Asia : a political geography
Methuen, 1950
 Buku Teks
Bretschneider, E., 1833-1901
Mediaeval researches from eastern Asiatic sources : fragments towards the knowledge of the geography and history of central and western Asia from the 13th to the 17th century
K. Paul, Trench, Trubner, 1910
 Buku Teks