Dyfyniad APA

Schumacker, R., & Tomek, S. (2013). Understanding statistics using R. Springer.

Dyfyniad Arddull Chicago

Schumacker, Randall, and Sara Tomek. Understanding Statistics Using R. New York: Springer, 2013.

Dyfyniad MLA

Schumacker, Randall, and Sara Tomek. Understanding Statistics Using R. Springer, 2013.

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