Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.