Purnawidhi W. Purbacaraka
Rajawali, 1978
Buku Teks
Purnawidhi W. Purbacaraka
Rajawali, 1987
Buku Teks
Soedjono Hoemardani
Centre for Strategic and International Studies, 1981
Buku Teks
Purnawidhi W. Purbacaraka
Rajawali, 1994
Buku Teks
Purnawidhi W. Purbacaraka
Rajawali , 1985
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