Pacheco, E. S., Pabellon, J. L., & Hernandez, D. F. (1983). Innovations in science teaching in the University of the Philippines System. UP Institute for Science and Mathematics Education Development.
Цитирование в стиле Чикаго (17-е изд.)Pacheco, Edgardo S., Josefina Ll Pabellon, и Dolores F. Hernandez. Innovations in Science Teaching in the University of the Philippines System. Quezon City: UP Institute for Science and Mathematics Education Development, 1983.
Цитирование MLA (9-е изд.)Pacheco, Edgardo S., et al. Innovations in Science Teaching in the University of the Philippines System. UP Institute for Science and Mathematics Education Development, 1983.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.