Hertan, C. (2013). Power chess for kids: More ways to think ahead and become one of the best players in your school. New in Chess.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Hertan, Charles. Power Chess for Kids: More Ways to Think Ahead and Become One of the Best Players in Your School. Alkmaar, Netherlands: New in Chess, 2013.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Hertan, Charles. Power Chess for Kids: More Ways to Think Ahead and Become One of the Best Players in Your School. New in Chess, 2013.
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