Howard University Press, 1993
Buku Teks
Westview Press , 1988
Buku Teks
edited by Virginia Gamba-Stonehouse
Institute for Security Studies, 2000
Buku Teks
Duke University Commonwealth-Studies Center by Duke University Press, 1962
Buku Teks
International Metallographie Society and ASM International, 1989
Buku Teks