Makky, W. The Aviation Security Problem and Related Technologies: A Critical Review. SPIE Digital Library.
Chicago-viite (17. p.)Makky, Wagih. The Aviation Security Problem and Related Technologies: A Critical Review. SPIE Digital Library.
MLA-viite (9. p.)Makky, Wagih. The Aviation Security Problem and Related Technologies: A Critical Review. SPIE Digital Library.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.