APA Citation

 Smith, T. M. (2009).  Elements of ecology.  Pearson Benjamin Cummings.

Trích dẫn kiểu Chicago

 Smith, Thomas M.  Elements of Ecology.  Pearson Benjamin Cummings, 2009.

MLA Citation

 Smith, Thomas M.  Elements of Ecology.  Pearson Benjamin Cummings, 2009.

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