Sampling techniques.

Ngā taipitopito rārangi puna kōrero
Kaituhi matua:	Cochran, William Gemmell 1909-
Hōputu:	Pukapuka
Reo:	Ingarihi
I whakaputaina:	New York Wiley c1953.
Rangatū:	Wiley publications in statistics
Ngā marau:	Sampling (Statistics).