Biddle, e. b. D. S. A. a. B. J. Knowledge for policy improving education through research. The Falmer Press.
Chicago Style aipamenaBiddle, edited by Don S. Anderson and Bruce J. Knowledge for Policy Improving Education Through Research. The Falmer Press.
MLA aipamenaBiddle, edited by Don S. Anderson and Bruce J. Knowledge for Policy Improving Education Through Research. The Falmer Press.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.