Jusuf Panglaykim, 1922-1986
Centre for Strategic and International Studies, 1979
Buku Teks SO
edited by Nabil Baydoun, Akira Nishimura and Roger Willet
John Wiley & Sons, 1997
Buku Teks SO
Canberra the Australian Academy of Science 1994,
Buku Referensi
Bateman, Sam
Routledge, 2020
eBooks
edited by Dilip K. Das
Prentice-Hall, 1996
Buku Teks SO