Katzer, J., Cook, K. H., & Crouch, W. W. (1998). Evaluating information: A guide for users of social science research (4th edition.). WCB/McGraw-Hill.
Chicago-viite (17. p.)Katzer, Jeffrey, Kenneth H. Cook, ja Wayne W. Crouch. Evaluating Information: A Guide for Users of Social Science Research. 4th edition. Boston, Massachusetts: WCB/McGraw-Hill, 1998.
MLA-viite (9. p.)Katzer, Jeffrey, et al. Evaluating Information: A Guide for Users of Social Science Research. 4th edition. WCB/McGraw-Hill, 1998.
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