(1970). Square is a shape: A book about shapes / by Sharon Lerner.
Chicagoスタイル(17版)引用形式Square Is a Shape: A Book About Shapes / by Sharon Lerner. 1970.
MLA(9版)引用形式Square Is a Shape: A Book About Shapes / by Sharon Lerner. 1970.
警告: この引用は必ずしも正確ではありません.