Lua APA (7ú heag.)

DEY S C. (1987). INDUSTRIAL SECURITY MANAGEMENT. ASHGATE.

Lua i Stíl Chicago (17ú heag.)

DEY S C. INDUSTRIAL SECURITY MANAGEMENT. NEW DELHI: ASHGATE, 1987.

Lua MLA (9ú heag.)

DEY S C. INDUSTRIAL SECURITY MANAGEMENT. ASHGATE, 1987.

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