Cita APA (7th ed.)

Levy, P. S., & Lemeshow, S. (1999). Sampling of populations: Methods and applications (3rd ed.). John Wiley and Sons, Inc.

Cita Chicago (17th ed.)

Levy, Paul S., i Stanley Lemeshow. Sampling of Populations: Methods and Applications. 3rd ed. New York: John Wiley and Sons, Inc, 1999.

Cita MLA (9th ed.)

Levy, Paul S., i Stanley Lemeshow. Sampling of Populations: Methods and Applications. 3rd ed. John Wiley and Sons, Inc, 1999.