WILLGOOSE, C. E. (1972). Health teaching in secondary schools. W.B. Sounders.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWILLGOOSE, Carl E. Health Teaching in Secondary Schools. Philadelphia: W.B. Sounders, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWILLGOOSE, Carl E. Health Teaching in Secondary Schools. W.B. Sounders, 1972.
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