Carruthers, E., & Worthington, M. (2006). Children's mathematics: Making marks, making meaning (Second Edition.). Sage.
Цитирование в стиле Чикаго (17-е изд.)Carruthers, Elizabeth, и Maulfry Worthington. Children's Mathematics: Making Marks, Making Meaning. Second Edition. London ; Thousand Oaks, Calif.: Sage, 2006.
Цитирование MLA (8-е изд.)Carruthers, Elizabeth, и Maulfry Worthington. Children's Mathematics: Making Marks, Making Meaning. Second Edition. Sage, 2006.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.