True, J. A. (1983). Finding out conducting and evaluating social research. Wadsworth.
Chicago-čujuhus (17. p.)True, June Audrey. Finding Out Conducting and Evaluating Social Research. Califonia: Wadsworth, 1983.
MLA-čujuhus (9. p.)True, June Audrey. Finding Out Conducting and Evaluating Social Research. Wadsworth, 1983.
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