Dyfyniad APA

Katzer, J., Cook, K. H., & Crouch, W. W. (1998). Evaluating information: A guide for users of social science research (4th edition.). WCB/McGraw-Hill.

Dyfyniad Arddull Chicago

Katzer, Jeffrey, Kenneth H. Cook, and Wayne W. Crouch. Evaluating Information: A Guide for Users of Social Science Research. 4th edition. Boston, Massachusetts: WCB/McGraw-Hill, 1998.

Dyfyniad MLA

Katzer, Jeffrey, et al. Evaluating Information: A Guide for Users of Social Science Research. 4th edition. WCB/McGraw-Hill, 1998.

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