carvalho, A. b. d. (2002). combater as novas ameaças á segunrança. Director of Information and Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)carvalho, António borges de. Combater as Novas Ameaças á Segunrança. Director of Information and Press, 2002.
Παραπομπή σε μορφή MLA (8th εκδ.)carvalho, António borges de. Combater as Novas Ameaças á Segunrança. Director of Information and Press, 2002.
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