Ravva, S. V., Sarreal, C. Z., & Mandrell, R. E. (2010). Identification of Protozoa in Dairy Lagoon Wastewater that Consume Escherichia coli O157: H7 Preferentially. Public Library of Science.
استشهاد بنمط شيكاغوRavva, Subbarao V., Chester Z. Sarreal, و Robert E. Mandrell. Identification of Protozoa in Dairy Lagoon Wastewater That Consume Escherichia Coli O157: H7 Preferentially. Public Library of Science, 2010.
MLA استشهادRavva, Subbarao V., Chester Z. Sarreal, و Robert E. Mandrell. Identification of Protozoa in Dairy Lagoon Wastewater That Consume Escherichia Coli O157: H7 Preferentially. Public Library of Science, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.