Grolier International. Grolier academic encyclopedia: Vol :3. Grolier International.
芝加哥风格引文Grolier International. Grolier Academic Encyclopedia: Vol :3. USA: Grolier International.
MLA引文Grolier International. Grolier Academic Encyclopedia: Vol :3. Grolier International.
警告：这些引文格式不一定是100％准确.