Michels, A. (1998). Effects of sewage water on diatoms (Bacillariophyceae) and water quality in two tropical streams in Costa Rica.
استشهاد بنمط شيكاغوMichels, Astrid. Effects of Sewage Water On Diatoms (Bacillariophyceae) and Water Quality in Two Tropical Streams in Costa Rica. 1998.
MLA استشهادMichels, Astrid. Effects of Sewage Water On Diatoms (Bacillariophyceae) and Water Quality in Two Tropical Streams in Costa Rica. 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.