Bourque, L. B., & i.Clark, V. A. (1992). Processing data: The survey example / Linda B. Bourque and Virginia A. Clark. Sage.
Chicago-čujuhus (17. p.)Bourque, Linda B., juo Virginia A. i.Clark. Processing Data: The Survey Example / Linda B. Bourque and Virginia A. Clark. London: Sage, 1992.
MLA-čujuhus (9. p.)Bourque, Linda B., juo Virginia A. i.Clark. Processing Data: The Survey Example / Linda B. Bourque and Virginia A. Clark. Sage, 1992.
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