Isom, B. G. (1986). Rationale for sampling and interpretation of ecological data in the assessment of freshwater ecosystems. American Society for Testing and Materials.
استشهاد بنمط شيكاغوIsom, B. G. Rationale for Sampling and Interpretation of Ecological Data in the Assessment of Freshwater Ecosystems. Philadelphia, PA: American Society for Testing and Materials, 1986.
MLA استشهادIsom, B. G. Rationale for Sampling and Interpretation of Ecological Data in the Assessment of Freshwater Ecosystems. American Society for Testing and Materials, 1986.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.