Cita APA (7a ed.)

Briggs, D. (1999). Environmental health indicators: Framework and methodologies. World Health Organization.

Cita Chicago Style (17a ed.)

Briggs, David. Environmental Health Indicators: Framework and Methodologies. Switzerland: World Health Organization, 1999.

Cita MLA (8a ed.)

Briggs, David. Environmental Health Indicators: Framework and Methodologies. World Health Organization, 1999.