Dyfyniad APA

Lansing, J. B., Ginsburg, G. P., & Braaten, K. (1961). An investigation of response error. Bureau of Economic and Business Research, University of Illinois.

Dyfyniad Arddull Chicago

Lansing, John B., Gerald P. Ginsburg, and Kaisa Braaten. An Investigation of Response Error. Urbana: Bureau of Economic and Business Research, University of Illinois, 1961.

Dyfyniad MLA

Lansing, John B., et al. An Investigation of Response Error. Bureau of Economic and Business Research, University of Illinois, 1961.

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