Yayasan Proklamasi, Centre for Strategic and International Studies, 1985
Buku Teks
Honjo, Eijiro
Russell & Russell, 1965
Buku Teks
edited by Gianni Fodella
Bocconi University, 1975
Buku Teks
Ward, Robert E., author
Prentice-Hall, 1978
Buku Teks
Ward, Robert E., author
Prentice-Hall, 1967
Buku Teks