Bañez, J. E. (2013). Estimation under purposive sampling with auxiliary variable. Philippine Statistician.
Chicago (17e ed.) BronvermeldingBañez, John Erwin. "Estimation Under Purposive Sampling with Auxiliary Variable." Philippine Statistician 2013.
MLA (9e ed.) BronvermeldingBañez, John Erwin. "Estimation Under Purposive Sampling with Auxiliary Variable." Philippine Statistician, 2013.
Let op: Deze citaties zijn niet altijd 100% accuraat.