APA-viite

Michels, A. (1998). Effects of sewage water on diatoms (Bacillariophyceae) and water quality in two tropical streams in Costa Rica.

Chicago-tyylinen lähdeviittaus

Michels, Astrid. Effects of Sewage Water On Diatoms (Bacillariophyceae) and Water Quality in Two Tropical Streams in Costa Rica. 1998.

MLA-viite

Michels, Astrid. Effects of Sewage Water On Diatoms (Bacillariophyceae) and Water Quality in Two Tropical Streams in Costa Rica. 1998.

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