Folding geometric shapes: Formas geométricas. Learning Resources.
Chicagoスタイル(17版)引用形式Folding Geometric Shapes: Formas Geométricas. Vernon Hills, IL: Learning Resources.
MLA(9版)引用形式Folding Geometric Shapes: Formas Geométricas. Learning Resources.
警告: この引用は必ずしも正確ではありません.