एपीए उद्धरण

Lehr, P. (2019). Counter-Terrorism Technologies. Springer International Publishing.

शिकागो स्टाइल उद्धरण

Lehr, Peter. Counter-Terrorism Technologies. Springer International Publishing, 2019.

एमएलए उद्धरण

Lehr, Peter. Counter-Terrorism Technologies. Springer International Publishing, 2019.