Hilgenkamp, K. (2005). Environmental health: Ecological perspectives. Jones and Bartlett Publishers.
Cita Chicago (17th ed.)Hilgenkamp, Kathryn. Environmental Health: Ecological Perspectives. Sudbury, Mass.: Jones and Bartlett Publishers, 2005.
Cita MLA (8th ed.)Hilgenkamp, Kathryn. Environmental Health: Ecological Perspectives. Jones and Bartlett Publishers, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.