Primack, R. B. (2014). Essentials of conservation biology (Sixth edition.). Sinauer Associates, Inc., Publishers.
Chicago-viite (17. p.)Primack, Richard B. Essentials of Conservation Biology. Sixth edition. Sunderland, Massachusetts: Sinauer Associates, Inc., Publishers, 2014.
MLA-viite (9. p.)Primack, Richard B. Essentials of Conservation Biology. Sixth edition. Sinauer Associates, Inc., Publishers, 2014.
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