International Social Science Council. Standing Committee on Comparative Research., Round Table Conference on Cross-National Comparative Survey Research,, Szalai, A., Petrella, R., & European Coordination Centre for Research and Documentation in Social Sciences. (1977). Cross-national comparative survey research: Theory and practice : papers and proceedings of the Round table [sic] Conference on Cross-National Comparative Survey Research (Budapest 25-29 July 1972). Oxford ; New York: Pergamon Press.

International Social Science Council. Standing Committee on Comparative Research., Round Table Conference on Cross-National Comparative Survey Research, Alexander Szalai, Riccardo Petrella, and European Coordination Centre for Research and Documentation in Social Sciences. Cross-national Comparative Survey Research: Theory and Practice : Papers and Proceedings of the Round Table [sic] Conference On Cross-National Comparative Survey Research (Budapest 25-29 July 1972). Oxford ; New York: Pergamon Press, 1977.

International Social Science Council. Standing Committee on Comparative Research., et al. Cross-national Comparative Survey Research: Theory and Practice : Papers and Proceedings of the Round Table [sic] Conference On Cross-National Comparative Survey Research (Budapest 25-29 July 1972). Oxford ; New York: Pergamon Press, 1977.