Dyfyniad APA

Levy, P. S., & Lemeshow, S. (2008). Sampling of populations: Methods and applications (4th ed.). John Wiley.

Dyfyniad Arddull Chicago

Levy, Paul S., and Stanley Lemeshow. Sampling of Populations: Methods and Applications. 4th ed. New Jersey: John Wiley, 2008.

Dyfyniad MLA

Levy, Paul S., and Stanley Lemeshow. Sampling of Populations: Methods and Applications. 4th ed. John Wiley, 2008.

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