Dyfyniad APA

Hansen,Morris H, & Hurwitz,William W. (1953). Sample survey methods and theory. John Wiley & Sons.

Dyfyniad Arddull Chicago

Hansen,Morris H, and Hurwitz,William W. Sample Survey Methods and Theory. New York: John Wiley & Sons, 1953.

Dyfyniad MLA

Hansen,Morris H, and Hurwitz,William W. Sample Survey Methods and Theory. John Wiley & Sons, 1953.

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