O'Brien, R. (1990). The Story of American Toys: From the puritans to the present. New Cavendish Books.
Chicagoスタイル(17版)引用形式O'Brien, Richard. The Story of American Toys: From the Puritans to the Present. London: New Cavendish Books, 1990.
MLA(8版)引用形式O'Brien, Richard. The Story of American Toys: From the Puritans to the Present. New Cavendish Books, 1990.
警告: この引用は必ずしも正確ではありません.