Cleofas, R. P. J. Executive protection manual: Sound-off-cover-evacuate (2024 edition.).
Cita Chicago (17th ed.)Cleofas, Rolando P. Jr. Executive Protection Manual: Sound-off-cover-evacuate. 2024 edition.
Cita MLA (9th ed.)Cleofas, Rolando P. Jr. Executive Protection Manual: Sound-off-cover-evacuate. 2024 edition.
Atenció: Aquestes cites poden no estar 100% correctes.