Gaya APA

Office, U, S, G, A. (2004). Aviation security : preliminary observations on TSA's progress to allow airports to use private passenger and baggage screening services . Washington: United States Government Accountability Office.

Gaya MLA

Office, United, States, Government, Accountability. "Aviation security : preliminary observations on TSA's progress to allow airports to use private passenger and baggage screening services". Washington: United States Government Accountability Office, 2004. Text.