Burton, T. L., & Cherry, G. E. (1970). Social research techniques for planners. Allen & Unwin.
Cita Chicago (17th ed.)Burton, Thomas L., i Gordon Emanuel Cherry. Social Research Techniques for Planners. London: Allen & Unwin, 1970.
Cita MLA (9th ed.)Burton, Thomas L., i Gordon Emanuel Cherry. Social Research Techniques for Planners. Allen & Unwin, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.