Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.