APA-referens (7:e uppl.)

Caldito, G. C. (1977). The estimation of parameters of unsampled strata in a two-way stratified sample [microform]. Photoduplication Service. University of the Philippines Library.

Chicago-referens (17:e uppl.)

Caldito, Gloria C. The Estimation of Parameters of Unsampled Strata in a Two-way Stratified Sample [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

MLA-referens (9:e uppl.)

Caldito, Gloria C. The Estimation of Parameters of Unsampled Strata in a Two-way Stratified Sample [microform]. Photoduplication Service. University of the Philippines Library, 1977.