Enríquez, M. L., Sáenz, J. C., & Ibrahim, M. (2009). Groups of Birds in Agroecosystems of the Central Pacific of Costa Rica and its Importance to Conservation.
Chicago-tyylinen lähdeviittausEnríquez, Martha Lucía, Joel C. Sáenz, ja Muhammad Ibrahim. Groups of Birds in Agroecosystems of the Central Pacific of Costa Rica and Its Importance to Conservation. 2009.
MLA-viiteEnríquez, Martha Lucía, Joel C. Sáenz, ja Muhammad Ibrahim. Groups of Birds in Agroecosystems of the Central Pacific of Costa Rica and Its Importance to Conservation. 2009.
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