Barnett, V. (2002). Sample survey: Principles and methods/3rd ed. John Wiley &Sons.
Chicago Edition CitationBarnett, Vic. Sample Survey: Principles and Methods/3rd Ed. UK: John Wiley &Sons, 2002.
Cita MLABarnett, Vic. Sample Survey: Principles and Methods/3rd Ed. John Wiley &Sons, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.