Gopal Rao, D. (1974). Population education: A guide to curriculum and teacher education ([1st ed.].). Sterling Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGopal Rao, D. Population Education: A Guide to Curriculum and Teacher Education. [1st ed.]. New Delhi: Sterling Publishers, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGopal Rao, D. Population Education: A Guide to Curriculum and Teacher Education. [1st ed.]. Sterling Publishers, 1974.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.