Cita APA

Hyer, R. N., & Covello, V. T. (2007). Effective media communication during public health emergencies: A who field guide. Geneva: World Health Organization.

Citación estilo Chicago

Hyer, Randall N., y Vincent T. Covello. Effective Media Communication During Public Health Emergencies: A Who Field Guide. Geneva: World Health Organization, 2007.

Cita MLA

Hyer, Randall N., y Vincent T. Covello. Effective Media Communication During Public Health Emergencies: A Who Field Guide. Geneva: World Health Organization, 2007.