Cruz, C. J. (1973). Sampling studies in the survey of households in selected barrios in the Philippines [microform]. Photoduplication Service.
Lua i Stíl Chicago (17ú heag.)Cruz, Carmelita J. Sampling Studies in the Survey of Households in Selected Barrios in the Philippines [microform]. Quezon City: Photoduplication Service, 1973.
Lua MLA (9ú heag.)Cruz, Carmelita J. Sampling Studies in the Survey of Households in Selected Barrios in the Philippines [microform]. Photoduplication Service, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.