Philippines. Department of Science and Technology. Philippines Center for Advanced Science and Technology Research and Development. PCARRD Online: PCARRD home page.
Цитирование в стиле Чикаго (17-е изд.)Philippines. Department of Science and Technology. Philippines Center for Advanced Science and Technology Research and Development. PCARRD Online: PCARRD Home Page.
Цитирование MLA (9-е изд.)Philippines. Department of Science and Technology. Philippines Center for Advanced Science and Technology Research and Development. PCARRD Online: PCARRD Home Page.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.