Dyfyniad APA

Hilgenkamp Kathryn. (2006). Environmental health: Ecological perspectives. Jones&Bartlett publishers.

Dyfyniad Arddull Chicago

Hilgenkamp Kathryn. Environmental Health: Ecological Perspectives. London: Jones&Bartlett publishers, 2006.

Dyfyniad MLA

Hilgenkamp Kathryn. Environmental Health: Ecological Perspectives. Jones&Bartlett publishers, 2006.

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