Hoban, T. (1998). So many circles, so many squares. Greenwillow Books.
Chicagoスタイル(17版)引用形式Hoban, Tana. So Many Circles, so Many Squares. New York: Greenwillow Books, 1998.
MLA(8版)引用形式Hoban, Tana. So Many Circles, so Many Squares. Greenwillow Books, 1998.
警告: この引用は必ずしも正確ではありません.