Dyfyniad APA

Smith, G. (1998). Introduction to statistical reasoning. WCB/McGraw-Hill.

Dyfyniad Arddull Chicago

Smith, Gary. Introduction to Statistical Reasoning. Boston, Mass: WCB/McGraw-Hill, 1998.

Dyfyniad MLA

Smith, Gary. Introduction to Statistical Reasoning. WCB/McGraw-Hill, 1998.

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