Grolier Internartional. (1987). Grolier academic encyclopedia: Vol :12. Grolier Internartional , Academic Aremiracan.
芝加哥风格引文Grolier Internartional. Grolier Academic Encyclopedia: Vol :12. USA: Grolier Internartional , Academic Aremiracan, 1987.
MLA引文Grolier Internartional. Grolier Academic Encyclopedia: Vol :12. Grolier Internartional , Academic Aremiracan, 1987.
警告：这些引文格式不一定是100％准确.