Mathematical Association. Mathematics in school. Longman Group on behalf of the Mathematical Association.
Цитирование в стиле Чикаго (17-е изд.)Mathematical Association. Mathematics in School. London [England]: Longman Group on behalf of the Mathematical Association.
Цитирование MLA (9-е изд.)Mathematical Association. Mathematics in School. Longman Group on behalf of the Mathematical Association.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.