Dyfyniad APA

Carmines, E. G., & Zeller, R. A. (1979). Reliability and validity assessment. Sage Publications.

Dyfyniad Arddull Chicago

Carmines, Edward G., and Richard A. Zeller. Reliability and Validity Assessment. Beverly Hills, Calif.: Sage Publications, 1979.

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.