Biddle, e. b. D. S. A. a. B. J. Knowledge for policy improving education through research. The Falmer Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBiddle, edited by Don S. Anderson and Bruce J. Knowledge for Policy Improving Education Through Research. The Falmer Press.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBiddle, edited by Don S. Anderson and Bruce J. Knowledge for Policy Improving Education Through Research. The Falmer Press.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.