Hilgenkamp, K. (2005). Environmental health: Ecological perspectives. Jones and Bartlett Publishers.
Chicago-viite (17. p.)Hilgenkamp, Kathryn. Environmental Health: Ecological Perspectives. Sudbury, Mass.: Jones and Bartlett Publishers, 2005.
MLA-viite (8. p.)Hilgenkamp, Kathryn. Environmental Health: Ecological Perspectives. Jones and Bartlett Publishers, 2005.
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