Musgrave, W. E., Clegg, M., & Polk, M. (1904). Part I. Amebas: Their cultivation and etiologic significance. Bureau of Public Print.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMusgrave, William E., Moses Clegg, और Mary Polk. Part I. Amebas: Their Cultivation and Etiologic Significance. Manila: Bureau of Public Print, 1904.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMusgrave, William E., et al. Part I. Amebas: Their Cultivation and Etiologic Significance. Bureau of Public Print, 1904.
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