APA引文

ZIMMERMANN, E. W. World resuorces and industries. Harper and Brothers.

芝加哥风格引文

ZIMMERMANN, Erich W. World Resuorces and Industries. New York: Harper and Brothers.

MLA引文

ZIMMERMANN, Erich W. World Resuorces and Industries. Harper and Brothers.

警告：这些引文格式不一定是100％准确.