Deismireacht APA

Edward, G., & Zeller, R. A. (1979). Reliability and validity assessment. Sage.

Chicago Edition Citation

Edward, G.Carmines, and Richard A. Zeller. Reliability and Validity Assessment. Newbary park: Sage, 1979.

Deismireacht MLA

Edward, G.Carmines, and Richard A. Zeller. Reliability and Validity Assessment. Sage, 1979.

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