Dyfyniad APA

N.G.Das. (2009). Statistical methods. Tata McGraw Hill Education.

Dyfyniad Arddull Chicago

N.G.Das. Statistical Methods. New Delhi: Tata McGraw Hill Education, 2009.

Dyfyniad MLA

N.G.Das. Statistical Methods. Tata McGraw Hill Education, 2009.

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