Philippines. National Science Development Board. (1976). National Science Development Board. National Media Production Center.
Цитирование в стиле Чикаго (17-е изд.)Philippines. National Science Development Board. National Science Development Board. Manila: National Media Production Center, 1976.
Цитирование MLA (9-е изд.)Philippines. National Science Development Board. National Science Development Board. National Media Production Center, 1976.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.