Abella, C. E. (1974). An investigation of the secondary school mathematics examination questions in the City of Manila and Albay province [microform]. Photoduplication Service, University of the Philippines Library.
Цитирование в стиле Чикаго (17-е изд.)Abella, Consolacion E. An Investigation of the Secondary School Mathematics Examination Questions in the City of Manila and Albay Province [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
Цитирование MLA (9-е изд.)Abella, Consolacion E. An Investigation of the Secondary School Mathematics Examination Questions in the City of Manila and Albay Province [microform]. Photoduplication Service, University of the Philippines Library, 1974.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.