Não informado. (1978). Physical Fitness / Sports Medicine. President's Council on Physical Fitness & Sports.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Physical Fitness / Sports Medicine. Washington: President's Council on Physical Fitness & Sports, 1978.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Physical Fitness / Sports Medicine. President's Council on Physical Fitness & Sports, 1978.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.