Jarvis, P. J. (2000). Ecological principles and environmental issues. Prentice-Hall.
Chicago-viite (17. p.)Jarvis, Peter J. Ecological Principles and Environmental Issues. Harlow, Eng: Prentice-Hall, 2000.
MLA-viite (9. p.)Jarvis, Peter J. Ecological Principles and Environmental Issues. Prentice-Hall, 2000.
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