Margallo, M. U. (1973). Regression of analysis of national tax collection in the Philippines, 1948-1965 [microform]. Photoduplication Service.
Chicago-referens (17:e uppl.)Margallo, Modesta Umali. Regression of Analysis of National Tax Collection in the Philippines, 1948-1965 [microform]. Quezon City: Photoduplication Service, 1973.
MLA-referens (9:e uppl.)Margallo, Modesta Umali. Regression of Analysis of National Tax Collection in the Philippines, 1948-1965 [microform]. Photoduplication Service, 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.