World Coal Report. ABS Energy Research.
Chicago Style (17th ed.) CitationWorld Coal Report. ABS Energy Research.
MLA引文World Coal Report. ABS Energy Research.
警告：這些引文格式不一定是100％准確.
APA引文
World Coal Report. ABS Energy Research.
Chicago Style (17th ed.) CitationWorld Coal Report. ABS Energy Research.
MLA引文World Coal Report. ABS Energy Research.