Dyfyniad APA

Cochran, W. (1963). Sampling techniques/2nd ed (2nd ed.). john Wiley.

Dyfyniad Arddull Chicago

Cochran, William. Sampling Techniques/2nd Ed. 2nd ed. London: john Wiley, 1963.

Dyfyniad MLA

Cochran, William. Sampling Techniques/2nd Ed. 2nd ed. john Wiley, 1963.

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