Grolier International. (1987). Grolier academic encyclopedia: Vol : 17. Grolier International.
芝加哥风格引文Grolier International. Grolier Academic Encyclopedia: Vol : 17. USA: Grolier International, 1987.
MLA引文Grolier International. Grolier Academic Encyclopedia: Vol : 17. Grolier International, 1987.
警告：这些引文格式不一定是100％准确.