Bernardo, V. (1974). A study of the sequence of mathematics in the high school [microform]. Photoduplication Service, University of the Philippines Library.
Цитирование в стиле Чикаго (17-е изд.)Bernardo, Vicenta. A Study of the Sequence of Mathematics in the High School [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
Цитирование MLA (9-е изд.)Bernardo, Vicenta. A Study of the Sequence of Mathematics in the High School [microform]. Photoduplication Service, University of the Philippines Library, 1974.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.