Cruz, C. J. (1973). Sampling studies in the survey of households in selected barrios in the Philippines [microform]. Photoduplication Service.
Čikaški stil citiranja (17. izdanje)Cruz, Carmelita J. Sampling Studies in the Survey of Households in Selected Barrios in the Philippines [microform]. Quezon City: Photoduplication Service, 1973.
MLA način citiranja (9. izdanje)Cruz, Carmelita J. Sampling Studies in the Survey of Households in Selected Barrios in the Philippines [microform]. Photoduplication Service, 1973.
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