Foster D. Harold. (1992). Health Diseases and the Environment. Balhaven Press.
Cita Chicago (17th ed.)Foster D. Harold. Health Diseases and the Environment. London: Balhaven Press, 1992.
Cita MLA (9th ed.)Foster D. Harold. Health Diseases and the Environment. Balhaven Press, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.