Gutnik, M. J., & Holm, S. L. (1992). Experiments that explore recycling. Millbrook Press.
Chicagoスタイル(17版)引用形式Gutnik, Martin J., , Sharon Lane Holm. Experiments That Explore Recycling. Brookfield, Conn.: Millbrook Press, 1992.
MLA(9版)引用形式Gutnik, Martin J., , Sharon Lane Holm. Experiments That Explore Recycling. Millbrook Press, 1992.
警告: この引用は必ずしも正確ではありません.