Butcher, H. J., & Rudd, E. (1972). Contemporary problems in higher education; an account of research. McGraw-Hill.
Chicago Style aipamenaButcher, Harold John, and Ernest Rudd. Contemporary Problems in Higher Education; an Account of Research. London: McGraw-Hill, 1972.
MLA aipamenaButcher, Harold John, and Ernest Rudd. Contemporary Problems in Higher Education; an Account of Research. McGraw-Hill, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.