(1955). Poliomyelitis Vaccine. hearings before the United States House Committee on Interstate and Foreign Commerce, Eighty-Fourth Congress, first session, on May 25, 27, 1955. [electronic resource]: Part 1.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPoliomyelitis Vaccine. Hearings Before the United States House Committee on Interstate and Foreign Commerce, Eighty-Fourth Congress, First Session, on May 25, 27, 1955. [electronic Resource]: Part 1. 1955.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPoliomyelitis Vaccine. Hearings Before the United States House Committee on Interstate and Foreign Commerce, Eighty-Fourth Congress, First Session, on May 25, 27, 1955. [electronic Resource]: Part 1. 1955.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.