$a Stany Zjednoczone. $b National Security Agency.
410
2
$a National Security Agency.
410
2
$a Agencja Bezpieczeństwa Narodowego.
410
2
$a NSA.
410
1
$a United States. $b National Security Agency.
510
1
$w a $a Stany Zjednoczone. $b Armed Forces Security Agency.
510
1
$w b $a Stany Zjednoczone. $b National Security Agency/Central Security Service.
665
$a Armed Forces Security Agency powstała w 1949. W 1953 przeorganizowana w National Security Agency. Od 1972 National Security Agency/Central Security Service.
670
$a Kp. The Puzzle Palace / James Bamford. - Boston, cop. 1982.