Levy, P. S., & Lemeshow, S. (1999). Sampling of populations: Methods and applications (3rd ed.). Wiley.
Citazione stile Chigago Style (17a edizione)Levy, Paul S., e Stanley Lemeshow. Sampling of Populations: Methods and Applications. 3rd ed. New York: Wiley, 1999.
Citatione MLA (9a ed.)Levy, Paul S., e Stanley Lemeshow. Sampling of Populations: Methods and Applications. 3rd ed. Wiley, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.