Cita APA (7th ed.)
Heath, R. L., & O'Hair, H. D. (2009). Handbook of risk and crisis communication. Routledge.
Cita Chicago (17th ed.)
Heath, Robert L., i H. Dan O'Hair. Handbook of Risk and Crisis Communication. New York: Routledge, 2009.
Cita MLA (9th ed.)
Heath, Robert L., i H. Dan O'Hair. Handbook of Risk and Crisis Communication. Routledge, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.