Grolier International. (1987). Grolier Academic Encyclopedia: Vol :2. Grolier International,Academic American.
芝加哥风格引文Grolier International. Grolier Academic Encyclopedia: Vol :2. USA: Grolier International,Academic American, 1987.
MLA引文Grolier International. Grolier Academic Encyclopedia: Vol :2. Grolier International,Academic American, 1987.
警告：这些引文格式不一定是100％准确.