U.S. GOVERNMENT PRINTING OFFICE
Witness security program : hearings before the permanent subcommitteé on investigations of the committee on govermental affairs united states senate : ninety-sixth congress / U.S. Government Printing Office . - Washington : U.S. Government Printing Office, 1980 . - IV, 330 p.; 23 cm
SERVIÇO SOCIAL / TESTEMUNHA / PROTECÇÃO A TESTEMUNHAS / CASOS JUDICIAIS / EUA / 36GOV