Grolier International. (1987). Grolier academic encyclopedia: Vol : 17. Grolier International.
Chicagoスタイル(17版)引用形式Grolier International. Grolier Academic Encyclopedia: Vol : 17. USA: Grolier International, 1987.
MLA(9版)引用形式Grolier International. Grolier Academic Encyclopedia: Vol : 17. Grolier International, 1987.
警告: この引用は必ずしも正確ではありません.