University of the Philippines. Open University, Librero, F., Medina, C., & Alfonso, G. J. (2004). Components of an environmental advocacy plan. U.P. Open University.
Цитирование в стиле Чикаго (17-е изд.)University of the Philippines. Open University, Felix Librero, Chito Medina, и Grace Javier Alfonso. Components of an Environmental Advocacy Plan. [Quezon City]: U.P. Open University, 2004.
Цитирование MLA (9-е изд.)University of the Philippines. Open University, et al. Components of an Environmental Advocacy Plan. U.P. Open University, 2004.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.