Dyfyniad APA

Quantitative applications. (1992). Central tendency and variability.

Dyfyniad Arddull Chicago

Quantitative applications. Central Tendency and Variability. Sage Publications: California, 1992.

Dyfyniad MLA

Quantitative applications. Central Tendency and Variability. 1992.

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