Briggs, D. C. (1996). Linkage methods for environment and health analysis: General guidelines. World Health Organization.
Cita Chicago (17th ed.)Briggs, D. Corvalan. Linkage Methods for Environment and Health Analysis: General Guidelines. Geneva: World Health Organization, 1996.
Cita MLA (8th ed.)Briggs, D. Corvalan. Linkage Methods for Environment and Health Analysis: General Guidelines. World Health Organization, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.