Hill, E. Spot Says Goodnight (Board Book). Putnam Publishing Group.
Chicagoスタイル(17版)引用形式Hill, Eric. Spot Says Goodnight (Board Book). Putnam Publishing Group.
MLA(8版)引用形式Hill, Eric. Spot Says Goodnight (Board Book). Putnam Publishing Group.
警告: この引用は必ずしも正確ではありません.