Dyfyniad APA

Lohr, S. L. (2010). Sampling design and analysis. Brooks/Cole Cengage Learning.

Dyfyniad Arddull Chicago

Lohr, Sharon L. Sampling Design and Analysis. Brooks/Cole Cengage Learning, 2010.

Dyfyniad MLA

Lohr, Sharon L. Sampling Design and Analysis. Brooks/Cole Cengage Learning, 2010.

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