Mercer, L. G. (1964). Security Systems and Equipment (2nd.). McDonald and Evans.
Chicago-stil citatMercer, Lawrence G. Security Systems and Equipment. 2nd. London: McDonald and Evans, 1964.
MLA-referensMercer, Lawrence G. Security Systems and Equipment. 2nd. McDonald and Evans, 1964.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.