Lansing, J. B., Ginsburg, G. P., & Braaten, K. (1961). An investigation of response error. Bureau of Economic and Business Research, University of Illinois.
Chicago-viite (17. p.)Lansing, John B., Gerald P. Ginsburg, ja Kaisa Braaten. An Investigation of Response Error. Urbana: Bureau of Economic and Business Research, University of Illinois, 1961.
MLA-viite (9. p.)Lansing, John B., et al. An Investigation of Response Error. Bureau of Economic and Business Research, University of Illinois, 1961.
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