Black, Jeremy, author
Cambridge University Press, 1996
Buku Referensi
Cilliers, Jakkie.
Institute for Security Studies, 1999
Buku Teks
James, Clive
Faber and Faber, 1979
Buku Teks
The University Press of Kentucky, 1972
Buku Teks
Dharsono Sony Kartika, author
Rekayasa Sains, 2017
Buku Teks