World Health Organization. (2000). Environmental health criteria 214: Human exposure assessment. World health Organization.
Cita Chicago (17th ed.)World Health Organization. Environmental Health Criteria 214: Human Exposure Assessment. Geneva: World health Organization, 2000.
Cita MLA (8th ed.)World Health Organization. Environmental Health Criteria 214: Human Exposure Assessment. World health Organization, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.