.Sikich, G. W. (1996). Emergency management planning handbook. McGraw-Hill.
Cita Chicago (17th ed.).Sikich, Geary W. Emergency Management Planning Handbook. New York: McGraw-Hill, 1996.
Cita MLA (9th ed.).Sikich, Geary W. Emergency Management Planning Handbook. McGraw-Hill, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.