Healy, R. J. (1969). Emergency and disaster planning. John Wiley & Sons.
Cita Chicago Style (17a ed.)Healy, Richard J. Emergency and Disaster Planning. New York [etc.]: John Wiley & Sons, 1969.
Cita MLA (9a ed.)Healy, Richard J. Emergency and Disaster Planning. John Wiley & Sons, 1969.
Precaución: Estas citas no son 100% exactas.