SAPPHIRE PUBLISHERS. (2013). ALL FOR KIDS SMALL LETTERS. SAPPHIRE PUBLISHERS.
Chicagoスタイル(17版)引用形式SAPPHIRE PUBLISHERS. ALL FOR KIDS SMALL LETTERS. SAPPHIRE PUBLISHERS, 2013.
MLA(9版)引用形式SAPPHIRE PUBLISHERS. ALL FOR KIDS SMALL LETTERS. SAPPHIRE PUBLISHERS, 2013.
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