(2015). Well Played Building Mathematical Thinking Through Number Games and Puzzles, Grades 3-5. [electronic resource].
Чикаго стиль цитування (17-те видання)Well Played Building Mathematical Thinking Through Number Games and Puzzles, Grades 3-5. [electronic Resource]. 2015.
Стиль цитування MLA (9-ме видання)Well Played Building Mathematical Thinking Through Number Games and Puzzles, Grades 3-5. [electronic Resource]. 2015.
Попередження: стилі цитування не завжди правильні на всі 100%.