Cita APA

Briggs, D. J. 1., & Briggs, D. J. 1. (1999). Environmental health indicators: Framework and methodologies. [Geneva]: WHO.

Citación estilo Chicago

Briggs, David John 1948-, y David John 1948- Briggs. Environmental Health Indicators: Framework and Methodologies. [Geneva]: WHO, 1999.

Cita MLA

Briggs, David John 1948-, y David John 1948- Briggs. Environmental Health Indicators: Framework and Methodologies. [Geneva]: WHO, 1999.