Smith, T. M. (2015). Elements of ecology. Harlow, Essex: Pearson Education.
Trích dẫn kiểu ChicagoSmith, Thomas M. Elements of Ecology. Harlow, Essex: Pearson Education, 2015.
Deismireacht MLASmith, Thomas M. Elements of Ecology. Harlow, Essex: Pearson Education, 2015.
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