Παραπομπή σε μορφή APA (7η εκδ.)

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.