Burton, T. L., & Cherry, G. E. (1970). Social research techniques for planners. George Allen & Unwin.
Chicago Style aipamenaBurton, Thomas L., and Gordon E. Cherry. Social Research Techniques for Planners. London: George Allen & Unwin, 1970.
MLA aipamenaBurton, Thomas L., and Gordon E. Cherry. Social Research Techniques for Planners. George Allen & Unwin, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.