Cita APA (7th ed.)

Bañez, J. E. (2013). Estimation under purposive sampling with auxiliary variable. Philippine Statistician.

Cita Chicago (17th ed.)

Bañez, John Erwin. "Estimation Under Purposive Sampling with Auxiliary Variable." Philippine Statistician 2013.

Cita MLA (9th ed.)

Bañez, John Erwin. "Estimation Under Purposive Sampling with Auxiliary Variable." Philippine Statistician, 2013.