Wirosardjono, S. (1973). On the theory of systematic cluster sampling with probability proportional to size [microform]. Photoduplication Service.
Chicago-Zitierstil (17. Ausg.)Wirosardjono, Soetjipto. On the Theory of Systematic Cluster Sampling with Probability Proportional to Size [microform]. Quezon City: Photoduplication Service, 1973.
MLA-Zitierstil (9. Ausg.)Wirosardjono, Soetjipto. On the Theory of Systematic Cluster Sampling with Probability Proportional to Size [microform]. Photoduplication Service, 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.