Barell, J. (1980). Playgrounds of our minds. Teachers College Press.
Chicagoスタイル(17版)引用形式Barell, John. Playgrounds of Our Minds. New York: Teachers College Press, 1980.
MLA(9版)引用形式Barell, John. Playgrounds of Our Minds. Teachers College Press, 1980.
警告: この引用は必ずしも正確ではありません.