Seaton, R. S. (1976). Here's how: Health education by extension. William Carrey Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSeaton, Ronald S. Here's How: Health Education by Extension. California: William Carrey Library, 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSeaton, Ronald S. Here's How: Health Education by Extension. William Carrey Library, 1976.
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