Hajek, J. (1981). Sampling from a finite population. Dekker.
Chicago Style aipamenaHajek, Jaroslav. Sampling from a Finite Population. New York: Dekker, 1981.
MLA aipamenaHajek, Jaroslav. Sampling from a Finite Population. Dekker, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.