Gaya APA

Drabek, T, E., Hoetmer, G, J. (1991). Emergency Management : Principles and Practice for Local Government . United States of America: International City Management Association.

Gaya MLA

Drabek, Thomas, E.., Hoetmer, Gerard, J.. "Emergency Management : Principles and Practice for Local Government". United States of America: International City Management Association, 1991. Text.