Whitman, R. L., & Nevers, M. B. (2003). Foreshore Sand as a Source of Escherichia coli in Nearshore Water of a Lake Michigan Beach. American Society for Microbiology.
استشهاد بنمط شيكاغوWhitman, Richard L., و Meredith B. Nevers. Foreshore Sand As a Source of Escherichia Coli in Nearshore Water of a Lake Michigan Beach. American Society for Microbiology, 2003.
MLA استشهادWhitman, Richard L., و Meredith B. Nevers. Foreshore Sand As a Source of Escherichia Coli in Nearshore Water of a Lake Michigan Beach. American Society for Microbiology, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.