Calvero, T. E. (1974). A critical analysis of the B.P.S. tentative curriculum guides for general science I & II for Philippine high schools. University of the Philippines Library.
Цитирование в стиле Чикаго (17-е изд.)Calvero, Teofidez E. A Critical Analysis of the B.P.S. Tentative Curriculum Guides for General Science I & II for Philippine High Schools. Quezon City: University of the Philippines Library, 1974.
Цитирование MLA (9-е изд.)Calvero, Teofidez E. A Critical Analysis of the B.P.S. Tentative Curriculum Guides for General Science I & II for Philippine High Schools. University of the Philippines Library, 1974.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.