(1994). Mathematics teaching in the middle school. National Council of Teachers of Mathematics.
Цитирование в стиле Чикаго (17-е изд.)Mathematics Teaching in the Middle School. Reston, VA: National Council of Teachers of Mathematics, 1994.
Цитирование MLA (9-е изд.)Mathematics Teaching in the Middle School. National Council of Teachers of Mathematics, 1994.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.