Dalumpines, U. B. (1976). A study of the occupational status of parents of pupils at Magallanes Central Elementary School, Magallanes District, Division of City Schools, Davao City during the school year 1969-1970 [microfilm]. University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Dalumpines, Ulpiana B. A Study of the Occupational Status of Parents of Pupils at Magallanes Central Elementary School, Magallanes District, Division of City Schools, Davao City During the School Year 1969-1970 [microfilm]. Quezon City: University of the Philippines Library, 1976.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Dalumpines, Ulpiana B. A Study of the Occupational Status of Parents of Pupils at Magallanes Central Elementary School, Magallanes District, Division of City Schools, Davao City During the School Year 1969-1970 [microfilm]. University of the Philippines Library, 1976.