APA引文

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

Chicago Style (17th ed.) Citation

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：這些引文格式不一定是100％准確.