Strong, R. P. (1904). Some questions relating to virulence of micro-organisms, with particular reference to their immunizing powers. Bureau of Public Print.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStrong, Richard Pearson. Some Questions Relating to Virulence of Micro-organisms, with Particular Reference to Their Immunizing Powers. Manila: Bureau of Public Print, 1904.
एमएलए (9वां संस्करण) प्रशस्ति पत्रStrong, Richard Pearson. Some Questions Relating to Virulence of Micro-organisms, with Particular Reference to Their Immunizing Powers. Bureau of Public Print, 1904.
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