Zannes, E. (1976). Police communications: Humans and hardware. Davis.
Cita Chicago Style (17a ed.)Zannes, Estelle. Police Communications: Humans and Hardware. Santa Cruz, Calif: Davis, 1976.
Cita MLA (9a ed.)Zannes, Estelle. Police Communications: Humans and Hardware. Davis, 1976.
Precaución: Estas citas no son 100% exactas.