Cross, A. R. (1979). STandard First AID & Personal Safety. Doubleday&Company.
Cita Chicago Style (17a ed.)Cross, American Red. STandard First AID & Personal Safety. Doubleday&Company, 1979.
Cita MLA (8a ed.)Cross, American Red. STandard First AID & Personal Safety. Doubleday&Company, 1979.
Precaución: Estas citas no son 100% exactas.