Ball, N. (1983). Structure of the defense industry: An international survey. Croom helm.
Lua i Stíl Chicago (17ú heag.)Ball, Nicole. Structure of the Defense Industry: An International Survey. London: Croom helm, 1983.
Lua MLA (9ú heag.)Ball, Nicole. Structure of the Defense Industry: An International Survey. Croom helm, 1983.
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