Artikel Jurnal
Daoed Joesoef
Center for Strategic and International Studies, 1990
Buku Teks SO
Purnawidhi W. Purbacaraka
Rajawali, 1978
Buku Teks
Purnawidhi W. Purbacaraka
Rajawali, 1987
Buku Teks SO
Soedjono Hoemardani
Centre for Strategic and International Studies, 1981
Buku Teks