Nuffield Foundation. Science Teaching Project. (1971). Nuffield biological science: Teachers' guide II. Nuffield Foundation.
Цитирование в стиле Чикаго (17-е изд.)Nuffield Foundation. Science Teaching Project. Nuffield Biological Science: Teachers' Guide II. England: Nuffield Foundation, 1971.
Цитирование MLA (9-е изд.)Nuffield Foundation. Science Teaching Project. Nuffield Biological Science: Teachers' Guide II. Nuffield Foundation, 1971.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.