Cita APA

Grubert, R. (2006). Physical and technical security: An introduction. New York: Thomson Delmar Learning.

Citación estilo Chicago

Grubert, Robert. Physical and Technical Security: An Introduction. New York: Thomson Delmar Learning, 2006.

Cita MLA

Grubert, Robert. Physical and Technical Security: An Introduction. New York: Thomson Delmar Learning, 2006.